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Mathematics, 07.01.2021 18:50 joedawg50
Select the correct answer. What is the expanded equivalent of cos(a β b)?
A. sin a cos b β cos a sin b
B. sin a cos b + cos a sin b
C. cos a cos b β sin a sin b
D. cos a cos b + sin a sin b
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Select the correct answer. What is the expanded equivalent of cos(a β b)?
A. sin a cos b β cos a si...
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