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मान लीजिए $x, y, z$ वास्तविक संख्याएँ हैं जैसे कि $x \geq y \geq z \geq \frac{\pi}{12}$। यदि $x+y+z = \frac{\pi}{2}$ है,तो $\cos x \cdot \sin y \cdot \cos z$ का न्यूनतम मान क्या है?

यदि $\frac{\sin^4 A}{a} + \frac{\cos^4 A}{b} = \frac{1}{a + b}$ है,तो $\frac{\sin^8 A}{a^3} + \frac{\cos^8 A}{b^3}$ का मान क्या होगा?

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$2(\sin^6 \theta + \cos^6 \theta) - 3(\sin^4 \theta + \cos^4 \theta) = $

$\frac{\tan(x + \frac{\pi}{6})}{\tan x}$ का न्यूनतम मान क्या है?

$\tan^2 \theta + \cot^2 \theta$ का मान है

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