3 years ago

Fill the blank ___sinb=(1)/(2)[sin(a+b)-sin(a-b)] There are no answer choices

Mathematics

1 answer:

Serga [27]3 years ago

5 0

Sin b=1/2
Sin(a+b)-sin(a-b)
Sina+Sinb-Sina+Sinb
2Sinb
2×1/2
=1

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