Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMix Examples-Trigonometrical Ratios, Functions and Identities
EasyIf $\cos x + \cos^2 x = 1$,then the value of $\sin^2 x + \sin^4 x$ is
- A$-1$
- B$1$
- C$0$
- D$2$
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