If \[\cos x+{{\cos }^{2}}x=1,\]then the value of \[{{\sin }^{2}}x+{{\sin }^{4}}x\] is

If \[\cos x+{{\cos }^{2}}x=1,\]then the value of \[{{\sin }^{2}}x+{{\s

1.	If \[\cos x+{{\cos }^{2}}x=1,\]then the value of \[{{\sin }^{2}}x+{{\sin }^{4}}x\] is
A.	1
B.	-1
C.	0
D.	2
Answer» B. -1

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If \[\cos x+{{\cos }^{2}}x=1,\]then the value of \[{{\sin }^{2}}x+{{\sin }^{4}}x\] is

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