Sin (A – B) = Sin A Cos B – cos A sin B Cos (A – B) = cos A Cos B – sin A sin B Find sin 15° cos 15°

1 Answer

answered Feb 15, 2018 by mdsamim (213,225 points)
selected Feb 15, 2018 by sforrest072

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Sin (A – B) = Sin A Cos B – cos A sin B Cos (A – B) = cos A Cos B – sin A sin B Find sin 15° cos 15°

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