Consider the equations
\[
\begin{array}{l}
5 \sin ^{2} x+3 \sin x \cos x-3 \cos ^{2} x=2 \\
\sin... VIDEO
Consider the equations
\[
\begin{array}{l}
5 \sin ^{2} x+3 \sin x \cos x-3 \cos ^{2} x=2 \\
\sin ^{2} x-\cos 2 x=2-\sin 2 x
\end{array}
\]
The number of solutions common to (1) and (2) is
(a) 0
(b) 1
(c) finite
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