MCQ
$\frac{d}{{dx}}{\sin ^2}x = .......$
- A$cos2x$
- ✓$sin2x$
- C$sinx \ cosx$
- D$2sinx$
$\frac{d}{{dx}}{\sin ^2}x = 2\sin x\frac{d}{{dx}}\sin x$
$ = 2\sin x\cos x = \sin 2x$
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