व्यंजक log((26 + 8 sqrt(10))) (cos^(2) t...

व्यंजक `log_((26 + 8 sqrt(10))) (cos^(2) theta - 6 sin theta cos theta + 3 sin^(2) theta + 2)` का अधिकतम मान है

`(1)/(sqrt(2))`

`(1)/(2)`

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