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Sin3x + sin x = COS x; [0, pi/2]
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12 votes
Sin3x + sin x = COS x; [0, pi/2]

User Roman Podpryatov
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1 Answer

7 votes

Answer:

The answer is 0

Subtract cosine x from both sides of this equation.

sin(3x) + sin(x) - cos(x) = 0

User Verbranden
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