Trigonometry - Trigonometric Equations
Trigonometry - Trigonometric Equations
Solve the equation \(3\left( 1-\tan y\cos y \right)=5{{\cos }^{2}}y-\text{2}\) for \(0{}^\circ <y<360{}^\circ \).
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Answer:\(y=36.9^\circ,\ 143.1^\circ,\ 180^\circ\)
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