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

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

prove that:sin(90-theta)÷1-tan theta + cos (90-theta)÷1-cot theta=cos theta + sin theta

Without using ables evaluate- sec^2 10 - cot^80+(sin 15.cos75+cos15.sin 75/cos a.sin (90-a)+sin a.cos (90-a)) Note-It is sec square 10 and cot square 80 - 9epju9ii

ii) Draw a right angled triangle A B C such that angle A B C=90^{circ}, conniter angle B A C -A them, begin{array}{ll}{text { (a) Write } sin theta text { and

If sin theta + cos theta = root 2 sin(90-theta),then find the value of cos theta

यदि sin(90^(@)-theta)+cos theta=sqrt(2) cos(90^(@)-theta) तो cosec

How is sin (90°+θ) =cosθ? - Quora

Sin theta + cos theta =root 2 sin (90-theta ) , then 1/root 2 + 1 is equal to

16. The value of ( cot theta cot left( 90 ^ { circ } - theta right) - cos left( 90 ^ { circ } - theta right) csc theta + cos ^ {

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

then find ∠OAB. 24. (A) Show that sinθ=cos(90∘−θ) is true using the defin..

Prove that cos theta sin theta - frac{{cos left( {90^circ - theta } right) cos left( {90^circ - theta } right)cos theta }}{{sec left( {90^circ - theta } right)}} - frac{{sin left( {90^circ

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