SOLUTION: The formula:
cos α - cos β = -2 sin(α+β/2)sin(α-β/2)
can be used to change a ___________ of two cosines into the ___________ ___ of two sine ex
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-> SOLUTION: The formula:
cos α - cos β = -2 sin(α+β/2)sin(α-β/2)
can be used to change a ___________ of two cosines into the ___________ ___ of two sine ex
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Question 806253: The formula:
cos α - cos β = -2 sin(α+β/2)sin(α-β/2)
can be used to change a ____________ of two cosines into the _______________ of two sine expressions. Answer by oscargut(2103) (Show Source):
