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

User Benjin
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Answer: cos(a-b) = cos(a)cos(b)+sin(a)sin(b)

Step-by-step explanation: I got this right on Edmentum.

What is the expanded equivalent of cos(a – b)?-example-1
User Jsmickey
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cos(a-b) = cos(a)cos(b)+sin(a)sin(b)

User Rinks
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