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પદાવલિ $\cos^2 \alpha + \cos^2(\alpha + 120^\circ) + \cos^2(\alpha - 120^\circ)$ ની કિંમત શોધો.

જો $3 \sin^4 x + 2 \cos^4 x = \frac{6}{5}$ અને $x$ એ લઘુકોણ હોય,તો $\tan 2x =$

જો $\sum_{r=1}^{50} \tan ^{-1} \frac{1}{2 r^2}=p$ હોય,તો $\tan p$ ની કિંમત શોધો.

જો $\sinh x = \frac{\sqrt{21}}{2}$ હોય,તો $\cosh 2x + \sinh 2x = $

જો $\sin \alpha + \cos \alpha = m$ હોય,તો $\sin^6 \alpha + \cos^6 \alpha = $

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