Find all solutions if 0 ≤ x < 2𝜋. Use exact values only. (Enter your answers as a comma-separated list.)cos 2x cos x − sin 2x sin x = 22x =
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Solution 1
The equation you've given is a form of the cosine double angle identity. The identity is cos(2x) = cos²(x) - sin²(x), which can also be written as cos(2x) = 2cos²(x) - 1 or cos(2x) = 1 - 2sin²(x). However, the equation you've given seems to be incomplete or incorrectly written.
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Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
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