If \( \sin x+\sin ^{2} x=1 \), then the value of \( \cos ^{2} x+\cos ^{4} x \) is....

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If \( \sin x+\sin ^{2} x=1 \), then the value of \( \cos ^{2} x+\cos ^{4} x \)
P
is
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(1) 0
(2) 2
(3) 1
(4) None of these


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