Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
Medium$\frac{1+\tanh x}{1-\tanh x}$ का मान क्या है?
- A$e^x$
- B$e^{-2x}$
- C$e^{2x}$
- D$e^{-x}$
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Similar Questions
यदि $x \neq 0$ है,तो $\frac{\sin (\pi+x) \cos (\frac{\pi}{2}+x) \tan (\frac{3 \pi}{2}-x) \cot (2 \pi-x)}{\sin (2 \pi-x) \cos (2 \pi+x) \operatorname{cosec}(-x) \sin (\frac{3 \pi}{2}+x)} = $
यदि $\tan \theta = \frac{a}{b}$ है,तो $\frac{\sin \theta}{\cos^8 \theta} + \frac{\cos \theta}{\sin^8 \theta} = $
Medium
View Solutionनिम्नलिखित में से कौन से त्रिकोणमितीय मान ऋणात्मक हैं?
$I. \sin(-292^{\circ})$
$II. \tan(-190^{\circ})$
$III. \cos(-207^{\circ})$
$IV. \cot(-222^{\circ})$
$I. \sin(-292^{\circ})$
$II. \tan(-190^{\circ})$
$III. \cos(-207^{\circ})$
$IV. \cot(-222^{\circ})$
यदि $A, B, C, D$ एक चक्रीय चतुर्भुज के क्रम में लिए गए कोण हैं,तो $\cos(180^{\circ} + A) + \cos(180^{\circ} - B) + \cos(180^{\circ} - C) - \sin(90^{\circ} - D) =$
Difficult
View Solution$\sin ^2 \frac{2 \pi}{3}+\cos ^2 \frac{5 \pi}{6}-\tan ^2 \frac{3 \pi}{4}=$
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