Trigonometry - R-Formula and Trigonometric Extrema

Trigonometry - R-Formula and Trigonometric Extrema

Express \(2 \cos \theta - 5 \sin \theta\) in the form of \(R \cos(\theta + \alpha)\) where \(\alpha\) is in radians.

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Answer:\(\sqrt{29}\cos(\theta+1.19)\)

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