Precalculus Rate of Change | Mathematics | Page 1

stray granite Mar 8, 2023, 12:27 PM

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stray granite Mar 8, 2023, 12:59 PM

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i just need help with this question

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questions c and d

proud root Mar 8, 2023, 2:25 PM

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use the formula:
cos(a+b) = cos(a)cos(b)-sin(a)sin(b)

stray granite Mar 9, 2023, 4:02 AM

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i did but im not sure how to simplify

#Precalculus Rate of Change