serenitynycole
27.01.2020 •
Mathematics
Dewight is proving the sum formula for the sine function. he has started his proof, what property should he use to complete the next line?
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Ответ:
C) the difference identity for the cosine function
Step-by-step explanation:
The last line showing shows the cosine of the difference of two angles. The difference identity for the cosine function would seem to be indicated.
Ответ:
answer:
ease.
5, OR B INSTEAD OF 4 -1 ITS 5 NOT A NEGATIVE NUMBER