Mathematics

Mathematics, 19.05.2021 02:30, hayleneolide

Sin a _ = 1/2[sin(a+b) +sin(a-b)]
A. sin b
B. cosa
C. sina
D. cosb

Sin a ____ = 1/2[sin(a+b) +sin(a-b)]
A. sin b
B. cosa
C. sina
D. cosb

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Answers: 2

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Sin a _ = 1/2[sin(a+b) +sin(a-b)]
A. sin b
B. cosa
C. sina
D. cosb
...

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