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यदि $\sin x + \sin^2 x = 1$ है,तो $\cos^{12} x + 3\cos^{10} x + 3\cos^8 x + \cos^6 x - 2$ का मान क्या होगा?

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यदि $\sinh x = -\frac{4}{3}$ है,तो $\sinh 2x + \cosh 2x = $

$\frac{\sin^2 3A}{\sin^2 A} - \frac{\cos^2 3A}{\cos^2 A}$ का मान है

यदि $A$ और $B$ न्यून कोण हैं जैसे कि $\sin A = \sin^2 B$ और $2 \cos^2 A = 3 \cos^2 B$, तो $(A, B) =$

यदि $\theta \in \left[-\frac{\pi}{2}, \frac{\pi}{2}\right]$ के लिए $2 \cos \theta + \sin \theta = 1$ और $7 \cos \theta + 6 \sin \theta = k$ है,तो $k$ के संभावित मान क्या हैं?

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