MCQ
The value of $\int \cos ^2 x d x$ will be
- A$\frac{1}{2}\left(x+\frac{\sin 2 x}{2}\right)+c$
- B2 sinx.cos.x
- C$\frac{\cos ^3 x}{3}+c$
- Dnone of these
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$\pm\frac{\pi}{3}$
$\pm\frac{\pi}{4}$
$\pm\frac{\pi}{6}$
$\text{none of these}$
$\text{If}\ \text{P}(\text{A})=\frac{1}{2},\ \text{P}(\text{B})=0,\ \text{then}\ \text{P}(\text{A}|\text{B})\ \text{is}:$