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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Similar Questions
यदि $\cot \theta = -\frac{2}{3}$ और $\theta$ चतुर्थ चतुर्थांश में स्थित नहीं है,तो $\frac{(5 \sin \theta + \cos \theta)^2}{\tan \theta + \cot \theta} = $
निम्नलिखित में से किसका मान समान है?
$(a)$ $\sin 120^{\circ}$
$(b)$ $\cos 930^{\circ}$
$(c)$ $\tan 840^{\circ}$
$(d)$ $\cot (-1110^{\circ})$
$(a)$ $\sin 120^{\circ}$
$(b)$ $\cos 930^{\circ}$
$(c)$ $\tan 840^{\circ}$
$(d)$ $\cot (-1110^{\circ})$
$\sin 15^\circ + \cos 105^\circ = $
Easy
View Solutionयदि $\sin x = -\frac{3}{5}$,जहाँ $\pi < x < \frac{3\pi}{2}$ है,तो $80(\tan^2 x - \cos x)$ का मान ज्ञात कीजिए:
$\tanh (\log x) = $
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