Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMix Examples-Trigonometrical Ratios, Functions and Identities
Medium$\cot 16^{\circ} \cot 44^{\circ} + \cot 44^{\circ} \cot 76^{\circ} - \cot 76^{\circ} \cot 16^{\circ} = $
- A$1$
- B$-1$
- C$-3$
- D$3$
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પદાવલિ $\tan 9^{\circ}-\tan 27^{\circ}-\tan 63^{\circ}+\tan 81^{\circ}$ ની કિંમત શોધો.
$\sin\,10^o \sin\,30^o \sin\,50^o \sin\,70^o$ ની કિંમત શોધો.
DifficultJEE MAIN 2019
View Solutionજો $x = \log \left[ \cot \left( \frac{\pi}{4} + \theta \right) \right]$ હોય, તો $\sinh x$ ની કિંમત શું થાય?
$\tan 9^{\circ} - \tan 27^{\circ} - \tan 63^{\circ} + \tan 81^{\circ}$ ની કિંમત $............$ છે.
સમીકરણ $e^{\sin x} - e^{\sin(-x)} - 4 = 0$ ને
DifficultAIEEE 2012
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