Solve the following equations: + = 2x+ 2x - Vidyadip

Question

Solve the following equations: $\cos\text{x}+\sin\text{x}=\cos2\text{x}+\sin2\text{x}$

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Answer

We have, $\cos\text{x}+\sin\text{x}=\cos2\text{x}+\sin2\text{x}$

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