SOLUTION: Please show work and use a product of sines and cosines formula to rewrite cos(5t) sin(8t)
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Question 677928: Please show work and use a product of sines and cosines formula to rewrite cos(5t) sin(8t)
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Please show work and use a product of sines and cosines formula to rewrite cos(5t) sin(8t)
product-to-sum formula:
sin x cos y=1/2[sin(x+y)-sin(x-y)]
cos(5t) sin(8t)= sin(8t) cos(5t)
=1/2[sin(8t+5t)-sin(8t-5t)]
=1/2[sin(13t)-sin(3t)]
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