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$$\begin{aligned}&\text { The solutions of the equation }\\&\left|\begin{array}{ccc}1+\sin ^2 x & \sin ^2 x & \sin ^2 x …

Q1
PYQ


$$\begin{aligned}&\text { The solutions of the equation }\\&\left|\begin{array}{ccc}1+\sin ^2 x & \sin ^2 x & \sin ^2 x \\\cos ^2 x & 1+\cos ^2 x & \cos ^2 x \\4 \sin 2 x & 4 \sin 2 x & 1+4 \sin 2 x\end{array}\right|=0,(0

[JEE Main 2021, 18 Mar (Shift 1)]

a


\frac{7 \pi}{12}, \frac{11 \pi}{12}

b


\frac{\pi}{6}, \frac{5 \pi}{6}

c


\frac{\pi}{12}, \frac{\pi}{6}

d


\frac{5 \pi}{12}, \frac{7 \pi}{12}

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