sin²1°+sin²2°+ sin²3°+ .........+ sin²89° #ntpc #maths #ssc #trigonometry

If sinA+sin^2 A=1 find the value of the expression cos^2 A+cos^4 A sina+sin2a=1 then cos2a+cos4a

9. If sin A + sin^2A = 1, then the value of the expression cos^2 A + cos^4 A is

If 7 sin2 A + 3 cos2A=4, then tan A is equal to:a. √3 b. 1c. 0 d. 1/(√3)

If sin theta + sin^2 theta = 1, show that cos^2 theta + cos^4 theta = 1. Trigonometry class 10.

If m^2 + m'^2 + 2mm' costheta= 1 & n^2+n'^2+2n n'costheta=1, [mn + m' n' + ( m n' + m'n)cos theta]=0

If tanθ+sinθ=m and tanθ-sinθ=n,then show that m^2-n^2=4√mn CLASS-10 TRIGONOMETRY IMPORTANT PROBLEM

x=(2θ-sin2θ)、y=a(1-cos2θ)のとき、θ=π/3のときのdy/dxを求めよ。/ 微分学12年生

If tan theta + sin theta = m and tan theta - sin theta = n, show that m^2 - n^2= 4√mn. Trigonometry

The value of cos1° cos2° cos3° cos4°…………..…..cos90° is (a) 1 (b) 0 (c) – 1 (d) 2

Prove that (cosec theta - sin theta) (sec theta - cos theta) (tan theta + cot theta) = 1 Class 10

If sin x + 〖sin〗^2 x = 1 then the value of 〖cos〗^12 x + 3〖cos〗^10 x + 3〖cos〗^8 x + 〖cos〗^6 x is: a.

If i) A=[cos a sin a - sin a cos a], then verify that A'A=I ii) If A=[sin a cos |CBSE|NCERT|Matrices

Center Of Mass Concept |😀 #physicsexperiment 🙂#physics #scienceexperiment #arpitgupta #shorts #fun 👍

Tan(pi Cos theta) = Cot (pi Sin theta) then Show that Cos (theta - pi/4) = ± 1/2 root 2 @EAG

If sec theta =x+1/4x then prove that sec theta +tan theta =2x or 1/2x. trigonometry 10th

Q6 | Find dy/dx , x = a(theta - sin theta) , y = a(1 + cos theta)

If sec θ + tan θ = p, then tan θ is

If sinθ+cosθ=√2, then tanθ+cotθ=...

Trigonometry - Can you prove that ?