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If tanA.tanB=1/2,t h e n(5-3cos2A)(5-3co...

If `tanA.tanB=1/2,t h e n(5-3cos2A)(5-3cos2B)=` (a)2 (b) 8 (c) 12 (d) 16

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To solve the problem, we start with the given equation: \[ \tan A \cdot \tan B = \frac{1}{2} \] We need to find the value of \((5 - 3\cos 2A)(5 - 3\cos 2B)\). ...
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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
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