Question

if sin theta = cos theta ,then theta​

Answer 1

Answer:

For θ=45°,sinθ&cosθ

⇒sinθ=cosθ

⇒sinθ=cos(90°−θ)

⇒θ=90°−θ

⇒2θ=90°

⇒θ=45°

Hence, the answer is 45°.