Question

The general solution of the equation $si{n}^2\theta =\frac{1}{2}is\left(nϵZ\right)$

• A.
• B.
• C.
• D.

Answer 1

The correct option is B

$si{n}^2\theta =si{n}^2\frac{\pi }{4}\Rightarrow \theta =n\pi \pm \frac{\pi }{4}$