Question

iif sin theta is equal to cos theta find the value of theta ​

Answer 1

Answer:

Sin theta = cos theta

It can be written as

sin theta = sin(90 - theta)

theta = 90 - theta

90 = 2 theta

theta = 45 degrees.

Answer 2

$if \: \: \sin\alpha = \cos \alpha \\ \\ = > \frac{ \sin \alpha }{ \cos \alpha } = 1 \\ \\ = > \tan\alpha = 1 \\ \\ = > \alpha = { \tan }^{ - 1} 1 \\ \\ = > \alpha = 45$

Thus, angle will be 45°

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