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.

Prove that sinA cos(90-A) + sin(90-A)cosA=1

Why is Sin (90 - a) = Cos(a) and Cos (90 - a) = Sin(a)? - Quora

Trigonometrical Ratios of (90° + θ)

If √3 sin θ - cos θ = 0 and 0 < θ < 90, find the value of θ [Video]

Evaluate : sin{theta}cos{theta}-cfrac{sin{theta}cos{(90^o-theta)}cos{theta }}{sin{(90^o-theta)}}-cfrac{cos{theta}sin{(90^o-theta)}sin{theta}}{cosec{(90 ^o-theta)}}.

Solved Given that cos theta = -3/5 and 90 degree < theta <

What is the value of sec (90+θ)? - Quora

If cos (40anddeg; + A) = sin 30anddeg;, the value of A is:a)60anddeg;b)20anddeg;c)40anddeg;d)30anddeg;Correct answer is option 'B'. Can you explain this answer? - EduRev Class 10 Question

Sin 90 Degrees I Formula and its Derivation I Sample Examples

If sin theta+cos theta=sqrt{2} sin left( 90-theta right ), cot theta.

If ( cos theta + sin theta = sqrt { 2 } sin ( 90 - theta ) ) then tand

Sin Cos Formulas- Derivation, Examples

search-static.byjusweb.com/question-images/toppr_e