Ask a new Trigonometric Equations question. Multiple AIs will answer your question.

Newest Trigonometric Equations Questions

1. For what value of x is cos(x) = sin(14°), where 0° < x < 90°?
   1. 1 answer
   2. 47 views
2. for the acute angles in a right triangle, sin(2x)=cos (4x+12 degree). what is the measure of the larger angle?
   1. 1 answer
   2. 96 views
3. if 25 cos ceta = 7 where ceta belongs to ] 3 pi/2 , 2 pi [ , then tan ceta =
   1. 1 answer
   2. asked by mahmoud
   3. 53 views
4. Given that sin x=2/3 and x an acute angle, find without using tables or calculator:a)Tan xb)cos (90-x) Find the values of titre
   1. 1 answer
   2. asked by Ann
   3. 235 views
5. Given that tan 𝜃 = 2, 𝑓𝑖𝑛𝑑 sin 𝜃A. −52√2 B. 5√ 2 2 C. −25√5 D. 2√ 5 5
   1. 3 answers
   2. asked by Benedict
   3. 184 views
6. Solve 3𝑠𝑖𝑛2𝜃 + 2 cos 𝜃 = 2, for values of 𝜃 such that 0≤ 𝜃 ≤ 360
   1. 1 answer
   2. asked by Freezer
   3. 113 views
7. if tan(x/2)=senx and cosx is not zero, find tanxa) -1 b) -(3^1/2)/3 c) 1/2 d) 1 e) 0
   1. 3 answers
   2. 125 views
8. If tan⁡ x=√3, and 180°<x<270°, what is sin⁡(x−210°)?still don't quite get it...
   1. 4 answers
   2. asked by frog
   3. 367 views
9. find all the angles between 0° and 360° which satisfy the equation sin y = 3 cos (y - 30
   1. 4 answers
   2. asked by Mensah Castro
   3. 1,152 views
10. If cot(x)= -16/15, where x is in quadrant IV, what is the exact value of sin(2x)?
    1. 2 answers
    2. asked by Sydney
    3. 451 views
11. A point on a wheel has an equation y = 10 sin (x - 45°) + 20 that models the height as the wheel rotates. Answer the following
    1. 1 answer
    2. asked by Anonymous
    3. 1,293 views
12. 3cos^2(theta)-3 = 5sin(theta)-2
    1. 1 answer
    2. asked by nicky
    3. 507 views
13. Solve the following questions(1) SinB=Cos35 degrees (2) Cos286 degrees (3) SinB=Cos3B (4) Cos2B=Sin3B (5) Cos y= Sin(y+22
    1. 1 answer
    2. asked by Ande2
    3. 571 views
14. tan1/2=cscø-cotø
    1. 2 answers
    2. asked by ahmed
    3. 651 views
15. if tanB=3/4then show that 3sin2B + 4cos2B =4
    1. 1 answer
    2. asked by abhilash
    3. 484 views
16. sin(θ − ϕ); tan(θ) = 5/12 θ in Quadrant III, sin(ϕ) = − sqaure root10/10 ϕ in Quadrant IV.I used the sin equation
    1. 3 answers
    2. asked by Ruth
    3. 1,405 views
17. Find all solutions to tan(theta)=1/sqroot(3). In the interval 0 less then or equal to theta less then or equal to 2pi.Theta=
    1. 1 answer
    2. asked by Bob
    3. 524 views
18. If 5cosA+3=0 and 180(degrees)<A<360(degrees)Determine 1. Tan^2A And 2. SinA over cosA
    1. 3 answers
    2. asked by Kaylee
    3. 761 views
19. Given Tan(A) = 5 in Quadrant III and Sin(B) = ⅔ in Quadrant II, find Sin(A-B).
    1. 1 answer
    2. asked by Sade
    3. 929 views
20. Find all values of theta where 0degrees<theta<360 degrees when csc theta = square root 2
    1. 1 answer
    2. asked by Lara
    3. 568 views
21. SinA+ cosA=17/3 find sinA-cosA
    1. 3 answers
    2. asked by Phum
    3. 489 views
22. Given cosθ=3/7 and 0≤θ≤π/2 find sinθ and tanθ
    1. 2 answers
    2. asked by Leah
    3. 637 views
23. What is the value of tan⁡x given that sin⁡x+cos⁡x=1/5 and π/2<x<π ?
    1. 1 answer
    2. asked by Erikhelp
    3. 380 views
24. Given that sinx= 3/5 and that x terminates in Quadrant 2 , determine the values for cosx and tanxFind Cos x/2
    1. 1 answer
    2. asked by Anonymous
    3. 2,121 views
25. If cos 9 alpha = sin alpha 9 alpha < 90 degree then 5 alpha =
    1. 0 answers
    2. asked by seshadri
    3. 822 views
26. 1. (-8cosxsinx+4cos2x)^2 +(4cosx^2+8sinxcosx)^22. cos(α-β)cosβ-sin(α-β)sinβ 3. 1+(sinx-cosx)(sinx+cosx) 4.
    1. 2 answers
    2. asked by Anna
    3. 680 views
27. Give that x is angle in the first quadrant such that 8sin 2x + 2cosx – 5 = 0Find: cosx tanx
    1. 1 answer
    2. asked by kudu
    3. 1,125 views
28. Given that sin (x +30)° = cos 2x° for 0°, 0° ≤ x ≤ 90° Find the value x. Hence find the value of cos^2 3x°.
    1. 1 answer
    2. asked by kudu
    3. 684 views
29. Directions: Find the Location on Unit Circle, Period & General Solution for this problem>>>>>>> sin^2x=3cos^2xWhat I have so
    1. 1 answer
    2. asked by Rachel
    3. 732 views
30. Sin theta = 1/4, what is sec theta?, tan theta?give exact answers for 0 less than or equal to theta less than equal to pi/2
    1. 1 answer
    2. asked by Saday
    3. 1,197 views
31. 1. If sec x + tan x = 3/2 and 0 ≤ x ≤ pi/2 then the value of sin x is...2. If 0 ≤ x ≤ pi/2 and tan²x + sec x = 5 then
    1. 1 answer
    2. asked by Patrick
    3. 1,891 views
32. tan^2(5x)cos^4(tx = 1/8 - 1/8cos(20x)
    1. 1 answer
    2. asked by Peggy
    3. 413 views
33. tan(4x − 4)° = cot(3x + 10)°
    1. 1 answer
    2. asked by Kiki
    3. 713 views
34. Given csc theta= 4, cot theta < 0Find the exact values of cos theta and tan theta
    1. 3 answers
    2. asked by J
    3. 2,525 views
35. 1. sin(tan^-1(4/3))=4/52. find the angle whose tangent equals 0. tan^-1(cos(pi/2))=0
    1. 2 answers
    2. asked by Lizzie
    3. 555 views
36. find cos(θ)ˏsin(θ)ˏtan(θ), if cot (2θ)=5/12 with 0≤2θ≤π - -
    1. 1 answer
    2. asked by Anonymous
    3. 670 views
37. 2. solve cos 2x-3sin x cos 2x=0 for the principal values to two decimal places.3. solve tan^2 + tan x-1= 0 for the principal
    1. 1 answer
    2. asked by Suzy
    3. 990 views
38. if 5sin theta + 12cos theta is equal to 13 find the value of tan theta
    1. 2 answers
    2. asked by Anonymous
    3. 4,769 views
39. Given that sin alpha = 15/17 and-360 <alpha<360 find all values of alpha to two decimal places. Help Please!
    1. 1 answer
    2. asked by Ella
    3. 500 views
40. 5.Find the complete exact solution of sin x = -√3/2.10. Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) to two
    1. 2 answers
    2. asked by Jose
    3. 617 views
41. Find the amplitude, period, phase shift, and vertical displacement for:y=7sin5(x-85degrees)-1.2
    1. 2 answers
    2. asked by alejandro
    3. 624 views
42. Sin theta=8/17, theta in Quadrant I, Cos X=-sqrt5/5 in Quadrant II
    1. 3 answers
    2. asked by Javier
    3. 585 views
43. Use the half-angle identities to find all solutions on the interval [0,2pi) for the equationcos^2(x) = sin^2(x/2)
    1. 1 answer
    2. asked by Nikki
    3. 527 views
44. (tan^2x-9)(2cosx+1)=0 Find one period4cos^2x-4cosx+1=0 find all angles and name 8 angles 7sin^2x-22sinx+3=0 find all angles and
    1. 7 answers
    2. asked by Adam
    3. 761 views
45. cosx= -8/17, 180<x<270find; sin(x/2) cos(x/2) tan(x/2)
    1. 0 answers
    2. asked by Adam
    3. 644 views
46. given the function y=2sin3x-1, identify the following below. also show its graph for the primary cycle. (identifying parts of a
    1. 1 answer
    2. asked by Kim
    3. 549 views
47. Given that cos2x=7/12 and "270 equal or < 2x equal or < 360", find sinx.Please help and Thank you
    1. 3 answers
    2. asked by Anonymous
    3. 924 views
48. sin2x=cos3x then sinx=?(if 0<x<pi/2)
    1. 3 answers
    2. asked by arka bhaskar
    3. 3,720 views
49. if tan theta=7/24 and sin theta is greater than 0 what is the exact value of sin theta
    1. 1 answer
    2. asked by Anonymous
    3. 1,329 views
50. tan theta= 15/8 and pi< theta<3pi/2a. Sin(- theta) b. cos2theta c. sin( theta - 3pi/4) d. cos(theta/2) can someone explain to me
    1. 1 answer
    2. asked by unknown
    3. 2,645 views
51. 5. If the angles X and Y each measure between 0° and 90°, and if sinX = cosY, what is the sum of the measures of the angles X
    1. 2 answers
    2. asked by kc
    3. 525 views
52. If sin(t) = -2/48 and cos(t) < 0 what is the value of cos(t) to the nearest thousandth?If sin(t) = -14/34 and cos(t) < 0, what
    1. 1 answer
    2. asked by Jared Smith
    3. 693 views
53. Given sin (x-y)=1/4, sin x cos y=3/5,and tan y=3/2,without using mathematical table or scientific calculator,find the values
    1. 1 answer
    2. asked by cianhuan
    3. 552 views
54. cos(54º-X)=sin2X
    1. 0 answers
    2. asked by Michelle
    3. 500 views
55. tan(x)=5 sin(x) for interval -π < x < πA) 0, 1.571 B) -1.571, 0, 1.571 C) -1.369, 0, 1.369 D) 0, 1.369
    1. 5 answers
    2. asked by Abby
    3. 2,210 views
56. Solve the following trig equations. give all the positive values of the angle between 0 degrees and 360 degrees that will
    1. 2 answers
    2. asked by anon
    3. 967 views
57. 1) 1+cos(3t)/ sin(3t) + sin(3t)/( 1+ cos(3t))= 2csc(3t)2) sec^2 2u-1/ sec^2 2u= sin^2 2u 3) cosB/1- sinB= secB+ tanB
    1. 5 answers
    2. asked by suzi
    3. 1,221 views
58. Tan x cot x -1=1-sec x cos x
    1. 1 answer
    2. asked by John
    3. 413 views
59. the question is:given sec x = 4, tan x < 0, find sin(2x), cos(2x)and tan (2x)
    1. 1 answer
    2. asked by lauren
    3. 435 views
60. If sinθ=1/5 and θ is in Quadrant I, find the exact value of sin2θ.
    1. 0 answers
    2. asked by Tabby
    3. 633 views
61. sinA= 3/5 and C=17Finding a and b
    1. 1 answer
    2. asked by anon
    3. 391 views
62. if 8 tan Q=15 then sinA-cosA=?
    1. 1 answer
    2. asked by ashias
    3. 559 views
63. 1. 4sin^2x=3tan^2x-12. 8cos^2x-4cos^4x=3 3. 3secx-cosx=2
    1. 2 answers
    2. asked by Michael
    3. 3,659 views
64. 2cos^2x-3sinx=0
    1. 2 answers
    2. asked by LiNnda
    3. 1,215 views
65. Find all solutions w between 0 and 360, inclusive:(a) cosw = cos(−340) (b) cosw = sin 20 (c) sinw = cos(−10) (d) sin w < −
    1. 2 answers
    2. asked by sally
    3. 2,769 views
66. cot^2(3x)sin(2x)-sin(2x)=02sin^2(5x)+sin(5x)-1=0
    1. 2 answers
    2. asked by Anonymous
    3. 829 views
67. Show that tanx = sinx / cosxcan be written as tan(x+y) = (tanx + tany) / (1 - tanxtany)
    1. 1 answer
    2. asked by -
    3. 638 views
68. Verify the following:1. cos x/(1-sinx)= sec x + tan x 2. (tanx+1)^2=sec^2x + 2tan x 3. csc x = )cot x + tan x)/sec x 4. sin2x -
    1. 1 answer
    2. asked by Trevor
    3. 770 views
69. tanx+secx=2cosx(sinx/cosx)+ (1/cosx)=2cosx (sinx+1)/cosx =2cosx multiplying both sides by cosx sinx + 1 =2cos^2x sinx+1 =
    1. 0 answers
    2. asked by shan
    3. 989 views
70. i have a few questionscosx + cosx =2secx ----- ----- 1+sinx 1-sinx cos(x-B)-cos(x-B) = 2sinxsinB csc2x= 1 secx cscx --- 2 cotx=
    1. 4 answers
    2. asked by jessika
    3. 1,267 views
71. Solve the following interval0<_ (less than or equal to)0(Theta)<2pi: 1. sin0(theta) + sin2 0(theta) = 0 2. 2cos^20 (theta) +
    1. 1 answer
    2. asked by Kay
    3. 796 views