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Similar Questions

$\cos 1^\circ \cdot \cos 2^\circ \cdot \cos 3^\circ \cdot \dots \cdot \cos 179^\circ = $

$\cos (270^\circ + \theta )\cos (90^\circ - \theta ) - \sin (270^\circ - \theta )\cos \theta $ का मान है

मान लीजिए $\triangle ACB$ एक त्रिभुज है जिसमें $C$ पर समकोण है। यदि $AB = 29$ इकाई,$BC = 21$ इकाई और $\angle ABC = \theta$ है,तो $\cos^2 \theta - \sin^2 \theta = $

$\sin (\pi + \theta )\sin (\pi - \theta )\csc^2 \theta = $

निम्नलिखित में से किसका मान समान है?
$(a)$ $\sin 120^{\circ}$
$(b)$ $\cos 930^{\circ}$
$(c)$ $\tan 840^{\circ}$
$(d)$ $\cot (-1110^{\circ})$

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