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फलन $f(x) = 3 \sin^{12} x + 4 \cos^{16} x$ का अधिकतम मान क्या है?

$e^{(2 + \sqrt{3} \cos x + \sin x)}$ का अधिकतम मान क्या है?

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यदि $5 \cos x + 12 \cos y = 13$ है,तो $5 \sin x + 12 \sin y$ का अधिकतम मान क्या है?

यदि $A+B+C=4S$ है,तो $\cos (2S-A)+\cos (2S-B)-\cos (2S-C)-\cos 2S=$

यदि $P+Q+R=\frac{\pi}{4}$,तो $\cos \left(\frac{\pi}{8}-P\right)+\cos \left(\frac{\pi}{8}-Q\right)+\cos \left(\frac{\pi}{8}-R\right)=$

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