A) 1
B) -1
C) 0
D) 2
Correct Answer: A
Solution :
\[\cos x+{{\cos }^{2}}x=1\,\,\Rightarrow \,\,\cos x={{\sin }^{2}}x\] \[\therefore \,\,{{\sin }^{2}}x+{{\sin }^{4}}x=\cos x+{{\cos }^{2}}x=1\].You need to login to perform this action.
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