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  3. you are given that cos(a)=-7/25, with a in quadran

You are given that cos(A)=-7/25, with A in Quadrant lll and cos(B)=3/5, with B in Quadrant...

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Basic Math

You are given that cos(A)=-7/25, with A in Quadrant lll andcos(B)=3/5, with B in Quadrant l. Find cos(A+B). Give your answeras a fraction.

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3.9 Ratings (511 Votes)
GivenAdj7 Hyp25Given that A is in    See Answer
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