Mathematics, 03.02.2020 09:51 ryliepeloquinf

Using the addition or subtraction formulas for sine or sinasinb=(cos(a-b)-cos(a+b))/2

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Using the addition or subtraction formulas for sine or sinasinb=(cos(a-b)-cos(a+b))/2...

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IM IN DESPERATE NEED OF HELP THIS IS DUE TONIGHT 4/27/21 First correct answer gets marked brainliest