Question Id : 15549 |
Context : JEE Main 2019 (9 January Morning Shift)
For any $\theta \in \left(\frac{\pi}{4}, \frac{\pi}{2}\right)$, the expression
$3(\cos \theta - \sin \theta)^4 + 6(\sin \theta + \cos \theta)^2 + 4\sin^6 \theta$
equals:
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