Search: help me solve: find x in cos^2x - 2 sinx cosx - sin^2x = 0

How do i solve sinx/cosx(sinx+cosx/sinx×cosx)=secx? I know it's 1/cosx because it equals secx but... Solve for: 1+cosx/sinx + sinx/1+cosx = 1 My teacher said no solution, but I don't know how he go... Solve for x: cosx - sinx = 1 Solve for x (√3)sinx - cosx = 2 X is smaller than 360 degrees Help Solve sinx+cosx=0 Thanks! Solve (sinx-1)(cosx -1/2) = 0 where 0≤x<2pi a) pi/3, pi/2, 5pi/3 b) pi/6, 5pi/6, pi c) pi/3, pi... solve sinx/2,cosx/2 & tanx/2 of the following:- (a)sinx=1/4 & x lies in second quadrant. Solve tanx+cosx/1+sinx=secx In two different ways f(x)=12x/sinx+cosx find f'(-pie) anyone know the answer!!! need help! f(x)=12x/sinx+cosx find f'(-pie) need help!! anyone know the answer!! f(x)=12x/sinx+cosx find f'(-pie) anybody know the answer!!! f(x)=12x/sinx+cosx find f(-pie) f(x)=12x/(sinx+cosx) find f'(-pie) need some help! if y=cosx.sinx find dy/dx sinx*cosx=0,find the value of x in radius form? If y=3/(sinx+cosx) , find dy/dx A. 3sinx-3cosx B. 3/(sinx+cosx)^2 C. -3/(sinx+cosx)^2 D. 3(cosx-... find f'(x) (sinx)^cosx cosx-sinx=1/4, find cosxsinx Find the limit of cosx/(1-sinx) as x->(pi/2) from + side find cosx and sinx if tanx = 4 cosx+sinx/cosx-sinx = sec2x+tan2x Prove 1-cosx+sinx / 1+cosx+sinx =tan x/2 prove(sinx/cosx+1)+(cosx-1/sinx)=0 Please help asap!!!!! PLEASE secx/sinx-sinx/cosx=cotx Prove that 1+cosx+sinx/1-cosx+sinx=cotx prove(sinx/cosx+1)+(cosx-1/sinx)=0 if cosx-sinx=root 2 sinx, then what is the value of cosx+sinx. How Integrate sinx/sinx-cosx..... Plz note sinx-cosx as a whole is in the denominator.. Prove that (1+sinx-cosx/1+sinx+cosx)^2= 1-cosx/1+cosx 1/sinx - sinx = cosx/tanx sinx cosx - 2 cosx = 0 thanks -sinx-cosx = 0 x=? please and thank you! i'd appreciate it! (sinx - cosx)(sinx + cosx) = 2sin^2x -1 I need some tips on trigonometric identities. Why shouldn... 4(sinx)(cosx)+2(sinx)-2(cosx)-1=0 Find x in radians I can't figure this out? Any ideas? Thanks (sinx)^2+cosx +1 = 0 , domain: [0,2pi) aydame por favor gracias If sinx+cosx= 1/(2^(1/2)) , then which of the following is true (A) x can be in Quadrant I (B) x... (sinx-cosx+1)/(sinx+cosx-1)=(sinx+1)/(cosx) The value of [cosx, sinx]• [cos(a + x), sin( a + x)] does depend on the value of a, but does not de... (Sin^3x-cos^3x)/(sinx-cosx) – cosx/sqrt(1+cot^2x)-2tanxcotx=-1 where x∈(0,2pi) general value of x. 1. ((cosx)/(1 + sinx))+((1 + sinx)/(cosx)) 2. ((cos(x)cot(x))/(1 - sin(x)))-1 If f(x)=sinx and g(x)=cosx, then the set for all x for which f'(x)=g'(x) is: A. Pi/4 + k(pi) B. Pi... 1)sinx+cosx=1 2)sinx+cosx=1+sin2x | sinx cosx 1 | | (sinx)^2 (cosx)^2 1 | | (sinx)^3 (cosx)^3 1 | Evaluate... (SIN^8X-5 SIN^5X+SINX)COSX DX I need the answer to this, because I have tried so many times and c... cosx/(1+sinx) + cosx/(1-sinx) = 2secx R.S. [cosx(1-sinx)+cosx(1+sinx)]/[(1+sinx)(1-sinx)] ? :S (cosx - sinx)^2 + (cosx + sinx)^2 = 2 Iam in this step: 2cos^2(x) + 2sin^2(x) = 2 How can... Lim (10x - cosx + 1)/(sinx + x) (x->0) If sinx=3 cosx, then what is sinx∙cosx? If sinx−cosx=1/2 then cot^2 (2x)=a/ b, where a and b are coprime positive integers. What is the v... cosx-sinx<1/2 If sinx-cosx= 1 /√3 , and sinx and cosx are the two roots to the equation 2x^2+px+q=0, the value of... int(sinx.e^(cosx)-(sinx+cosx)e^(sinx+cosx))/ (e^(2sinx)-2e^sinx+1)dx (sinx)^(1/2)=cosx x is between 0 and 90 What is sinx (sinx)^8 + (cosx)^8=17/32 cosx sinx -sinx=0 Integrate sinx(cosx)^2dx using the substitution u=sinx. I know how to do this using u =cosx, but not... (sinx-cosx)^2=sin2x Using the matrix [cosx -sinx] [sinx cosx] rotate the parabola y=3x^2+2 by 45 de... How do I get (sinx cosy + cosx siny) (cosx cosy + sinx siny) in the form of 1/2(sin2x + sin2y)? prove that (cosx - sinx) / (cosx + sinx) = sec2x - tan2x Integrate (cosx)/((2+sinx)(3-sinx)) dx Integral of ln(sinx+cosx) with respect to x from -pi/4 to pi/4 [sinxcosx/(1+cosx(]-[sinx/(1-cosx)]= -(cotxcosx+cscx) Integration of (sinx + cosx)^2 from 0 to pi/2. I get pi/2 + 1 as my final answer... wondering if t... integrate [sinx + cosx] from 0 to 2pie, where [ ] represents greatest integer function . integrate (sinx)^(5)(cosx)^(12)from 0 to (pi/2) I'm having problems just even integrating it...... simplify: (sinx/cosx)-1/(cosx/sinx)-1 if cosx sinx =root2cosx, then prove that cosx-sinx =root2sinx deriv. y=x(sinx)(cosx) If matrix A = [cosx -sinx -cosx sinx -cosx sinx] Find A'A does sin2(x)=2 sinx cosx? The curves y=sinx and y=cosx intersects twice on the interval (0,2pi). Find the area of the region b... if sinx=cosx Then cosecx=???? Is the equation sinx + cosx = 1 an identity? Why? integral of (1-(sinx)^2))/(cosx)dx i don't know what to make my "u" for u-substitution If the equation sinx+cosx=m processes solution then range of the range of values of m is given by? write y=sinx-cosx in the form y=ksin (x+a), where the measure of a is in radians. verify identity (sinx-cosx)^2=1-sin(2x) Prov that 1-sin2X/sinX-cosX=sinX-cosX Integrate sinx+cosx/rootsin2x with respect to dx...plzz help me write y=sinx-cosx in the form y=ksin (x+a), where the measure of a is in radians. answers: sqrt2sin... 1. (sinx/cscx)+(cosx/secx)=1 2. (1/sinxcosx)-(cosx/sinx)=tanx 3. (1/1+cos s)=csc^2 s-csc s cot... cosx+cosy=a and sinx+siny=b show that sin2x+sin2y=2ab(1-(2/(a^2+b^2)) plz plz show step cosx/secx+sinx/cscx=sec^2x-tan^2x Show that tanx= (sinx/ cosx) can be written as: tan(x-y) = (tanx - tany) / (1+ tanxtany) (secx-cosx) / (tanx-sinx) = cosecx+cotx Spent hours to solve this question but failed. Please hel... show that sinx/(1-cotx)+cosx/(1-sinx)=sinx+cosx thanks The graph of sinx and cosx intersect once between 0 and pi/2. What is the angle between the two curv... cosx/1-tanx + sinx/1-cotx = sinx =cosx prove: sinx/sec2x+cosx/csc2x=sin3x Prove: tan2x+sec2x = cosx+sinx/ cosx-sinx Prove: sin3x-sinx/cos3x-cosx=-cot2 Prove: (cotx sinx)(secx-cosx)=sin^2(X) how to solve sin 4x= cosx(4 sinx - 8 sin ^3x) What's next? Solve: cosx(tanx + sqroot3) - sqroot3/2(tanx-sqroot3) Provide exact answers .. help how do you solve this? cosx - cos(2x) = How do you solve 6(cos^2)x+cosx=1 I need it in the form that's like (x+x)(x+x) so that I can set th... solve: cosx + tanx = 5√3/6 for 0 ≤ x ≤ 2π solve (sq.rt 2) (tanx)(cosx) = tanx How do I solve 2sin4x cosx = 0 in the interval [0, 2pi)?