For an acute angle

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

For an acute angle θ\theta, if sin⁡θ=cos⁡θ\sin \theta = \cos \theta, then θ\theta equals (a) 60∘60^\circ (b) 45∘45^\circ (c) 30∘30^\circ (d) 90∘90^\circ

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