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36.2k views
in Trigonometry by (53.1k points)

Find the general solution of the equation sin10 x + cos10x = 29/16 cos2x.

1 Answer

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by (53.3k points)
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Best answer

Using half-angle formulas, we can represent the given equation in the form

whose only real root is t2 = 1/2 . Therefore,

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