Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMix Examples-Trigonometrical Ratios, Functions and Identities
MediumIf $0 < \theta < \frac{\pi}{2}$ and $\tan 3 \theta \neq 0$,then $\tan \theta + \tan 2 \theta + \tan 3 \theta = 0$ if $\tan \theta \cdot \tan 2 \theta = k$,where $k =$
- A$1$
- B$2$
- C$3$
- D$4$
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DifficultJEE MAIN 2021
View SolutionIf $\cos \theta, \sin \theta$ and $\cot \theta$ are in geometric progression,then $\sin ^9 \theta+\sin ^6 \theta+3 \sin ^5 \theta+\sin ^3 \theta+\sin ^2 \theta=$
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