Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
Medium$\text{sech}(i\pi)$ का मान है
- A$-1$
- B$i$
- C$0$
- D$1$
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$\sin \frac{\pi}{5} + \sin \frac{2\pi}{5} + \sin \frac{3\pi}{5} + \sin \frac{4\pi}{5} =$
$\tan 67 \frac{1}{2}^{\circ} + \cot 67 \frac{1}{2}^{\circ}$ का मान है
MediumKCET 2008
View Solutionयदि $\operatorname{cosec} \theta + \cot \theta = \frac{1}{3}$ है,तो $\theta$ किस चतुर्थांश में स्थित है?
सिद्ध कीजिए कि: $\cot ^{2} \frac{\pi}{6} + \csc \frac{5 \pi}{6} + 3 \tan ^{2} \frac{\pi}{6} = 6$
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View Solutionयदि $A = \sin 45^{\circ} + \cos 45^{\circ}$ और $B = \sin 44^{\circ} + \cos 44^{\circ}$ है,तो
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