tan3x=(3tanx-tan^3x)/(1-3tan^2x)

tan3x=(3tanx-tan^3x)/(1-3tan^2x)
1. 1 answer
2. asked by Mayna
3. 2,691 views
s- integrals 1/ [ (x^4) sq.rt(x^2+9)] i know x=3tanx sq.rt(x^2+9)= 3 secx dx= 3/[cos^2(x)] so far i know: = 1/ (3tan^4(x)) 3secx
1. 0 answers
2. asked by christine
3. 669 views
I really need help. Create an appropriate table of values for the function f(x)=tan3x/7x and use the re to estimate lim as x
1. 1 answer
2. asked by Mary
3. 487 views
Verify the identities algebraically.1.) TAN^5 X= TAN³X SEC²X-TAN³X 2.) COS³X SIN²X= (SIN²X-SIN^4X)COS X
1. 1 answer
2. asked by AwesomeGuy
3. 679 views
1. If f(x)=tan3x, find f'(x) and f'(3).2. let f(x)=3cos(cosx), find f'(x). i got stuck. i don't know im doing it right way,
1. 2 answers
2. asked by dania
3. 650 views
Verify the identities.1.) √1-COSθ/1+COSθ= 1+SINθ/SINθ 2.) SEC X SIN(π/2-X)= 1 3.) CSC X(CSC X-SIN X)+SIN X-COS X/SIN X +
1. 1 answer
2. asked by AwesomeGuy
3. 920 views
if f(x)=3tanx +2
1. 2 answers
2. asked by pete
3. 322 views
Differentiate x-3+3tanx
1. 5 answers
2. asked by Sandra
3. 102 views
2sec^2x -3tanx =5 for [0,2pi)
1. 2 answers
2. asked by tom
3. 920 views
2sec^2x - 3tanx - 5 = 0over the interval 0 to 2pi x= 1.14, 4.28, 5.68, and 2.54 right?
1. 2 answers
2. asked by tom
3. 964 views