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tekilochka [14]
4 years ago
13

What is the expanded equivalent of cos(a – b)?

Mathematics
2 answers:
Sergeu [11.5K]4 years ago
7 0
Cos A cos B - sin A sin B
That should be your answer  Hope this helps

worty [1.4K]4 years ago
6 0

D.  cos a cos b + sin a sin b





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