Prove that for any acute angle .

MATHEMATICS · Subjective · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

Prove that sin⁡2(90∘−θ)+cos⁡2(90∘−θ)=1\sin^{2}(90^\circ - \theta) + \cos^{2}(90^\circ - \theta) = 1 for any acute angle θ\theta.

Related theory

Browse the problem library