kellymruk kellymruk

02-12-2020
Mathematics

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Find the exact value of cos(a-b) given sin(a)=-4/5 and cos(b)=-5/8 for a in Quadrant III and B in Quadrant II.

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Find the exact value of cosab given sina45 and cosb58 for a in Quadrant III and B in Quadrant II See picture for answer choices class=

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millardfayeth millardfayeth

10-12-2020

Answer: B

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