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Find: Sin 30° x cos 15° + cos 30° x sin 15° |
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Answer» Sin 30° x cos 15° + cos 30° x sin 15° = Sin (30° + 15°) (∵ Sin A. cos B + cos A. sin B = sin (A+B)) = Sin 45° = \(\frac {1}{\sqrt2}\) |
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