Write the given expression as a product of two trigonometric functions of different frequencies. sin 7t-sin 6t

cieloeventosm4

cieloeventosm4

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2022-08-17

Write the given expression as a product of two trigonometric functions of different frequencies. sin7t-sin6t

Answer & Explanation

Charlee Beck

Charlee Beck

Beginner2022-08-18Added 6 answers

Using trigonometric identities
sinAsinB=2cos(A+B2)sin(AB2)
sin7tsin6t=2cos(7t+6t2)sin(7t6t2)=2cos(13t2)sin(t2)
=2sin(t2)cos(13t2)
Result:
=2sin(t2)cos(13t2)

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