The number of real roots of the equation \( 2^{\sin ^{2} x}-2^{\cos ^{2} x}=15 \) is....

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The number of real roots of the equation
P
\( 2^{\sin ^{2} x}-2^{\cos ^{2} x}=15 \) is
W
(1) 2
(2) 1
(3) Infinite
(4) None of these


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