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What is the expanded equivalent of sin(a + b)? A. sin a cos b-cos a sin b B. sin a cos b + cos a sin b C. cos a cos b-sin a sin b D cos a cos b + sin a sin b
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5 votes
What is the expanded equivalent of sin(a + b)?

A.
sin a cos b-cos a sin b
B.
sin a cos b + cos a sin b
C.
cos a cos b-sin a sin b
D
cos a cos b + sin a sin b

User Dragas
by
5.2k points

2 Answers

3 votes
The answer is b

Sun a cos b+cos a sin b
User Sydius
by
4.7k points
6 votes

Answer:

B. Sin a cos b + cos a sin b

Explanation:

PLATO

User Letie
by
5.8k points
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