A) \[\cos x\]
B) \[\sin x\]
C) \[\tan x\]
D) 1
Correct Answer: A
Solution :
According to the formula \[\int_{{}}^{{}}{{{f}^{n}}(x)f(x)dx=\frac{{{f}^{n+1}}(x)}{n+1}}+C\] \[f(x)\]should be equal to \[\cos x\]as\[\frac{d}{dx}(1+\sin x)=\cos x\]You need to login to perform this action.
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