Question

If sin teta = cos teta then the value of teta
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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°.

Step-by-step explanation:

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Answer 2

Method-1 :

$\sin(θ) = \cos(θ)$

$θ = \sin {}^{ - 1} ( \cosθ)$

$or$

$θ = \cos {}^{ - 1} ( \sinθ)$

Method-2 :

Sinθ = Cosθ

θ = 45°

Sin45° = Cos45° = 1/√2

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