Question

Find the value of $\theta$, if
$\sin \theta =\frac{1}{\sqrt{2}}$

Answer 1

$\sin \theta =\frac{1}{\sqrt{2}}=\sin 45°$

$\Rightarrow \sin \theta =\sin 45°$

$\Rightarrow \theta =45°$

Hence, the answer is $45°.$