Write the value of sintheta cos(90^(@)-theta)+costheta sin(90^(@)-the

sintheta cos(90^(@)-theta)+costhetasin(90-theta)=sin theta *sintheta+costheta*costheta= sin^(2)theta+cos^(2)theta=1.

Sin theta by sin 90 minus theta + cos theta by cos 90 minus theta is equal to sec 90 minus theta into cosec

Tamil] Prove that (sin(90^(@)-theta))/(1-tantheta)+(cos(90^(@)-theta)

Find the value of theta ,( in degrees ) if, dfrac{{cos theta }}{{1 - sin theta }} + dfrac{{cos theta }}{{1 + sin theta }} = 4;,,theta le 90^circ

prove that cos theta sin theta - sin theta cos(90- theta) cos theta/sec(90- theta) - cos theta sin(90-

Solved 4. Express 2cosθ−sinθ in the form of Rcos(θ+α) where

If sin A+cos A=√2 sin(90-A),show that cot A=√2+1 - rr48pu00

How do you prove sin(90°-a) = cos(a)?

How to get values for sin (90° - θ), cos (90° - θ), sin (90° + θ), cos (90° + θ)?

Trigonometric Ratios of Complementary Angles

Find the answer{ sec }^{ 2 }10-{ cot }^{ 2 }80+cfrac { sin 15. cos 75+cos 15 sin 75 }{ costheta .sin(90-theta )+sintheta . cos(90-theta ) }