Calculus and AnalysisWrite the given expression as a product of two trigonometric functions
4 weeks ago
Write the given expression as a product of two trigonometric functions of different frequencies. sin 7t-sin 6t
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dashboardconfessionalliveatmsg Staff answered 4 weeks ago
Using trigonometric identities sin A-sin B=2cos ((A+B)/(2))sin ((A-B)/(2)) sin 7t-sin 6t=2cos ((7t+6t)/(2))sin ((7t-6t)/(2))=2cos((13t)/(2))sin ((t)/(2)) =2sin ((t)/(2))cos((13t)/(2)) Result: =2sin ((t)/(2))cos((13t)/(2))
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