Functions Extra Questions I - R-formulae Q2
Functions Extra Questions I - R-formulae Q2
TGM Original Questions
Express \(2\cos \theta -5\sin \theta \)in the form of \(R\cos \left( \theta +\alpha \right)\) where \(\alpha \) is in radians.
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Answer:\(√29 cos(θ + 1.19)\)
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