MCQ
$\sin 4\theta $ ને . . . . સ્વરૂપે પણ લખી શકાય.
- ✓$4\sin \theta (1 - 2{\sin ^2}\theta )\sqrt {1 - {{\sin }^2}\theta } $
- B$2\sin \theta \cos \theta {\sin ^2}\theta $
- C$4\sin \theta - 6{\sin ^3}\theta $
- Dએકપણ નહિ.
$ = 2.2\sin \theta \cos \theta (1 - 2{\sin ^2}\theta )$
$ = 4\sin \theta (1 - 2{\sin ^2}\theta )\sqrt {1 - {{\sin }^2}\theta } $
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