Trigonometry - Trigonometric Equations
Trigonometry - Trigonometric Equations
Solve the equation \(\sin^2 y + 2 \cos 2y = 2 \cos y\) for \(0{}^\circ \le y \le 360{}^\circ\).
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Answer:\(y=0^\circ,\ 109.5^\circ,\ 250.5^\circ,\ 360^\circ\)
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