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You are given that cos(A)=−45, with A in Quadrant III, and cos(B)=15/17, with B in Quadrant I. Find cos(A+B). Give your answer as a fraction.

You are given that cos(A)=−45, with A in Quadrant III, and cos(B)=15/17, with B in Quadrant I. Find cos(A+B). Give your answer as a fraction.
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You are given that cos(A)=−45, with A in Quadrant III, and cos(B)=15/17, with B in Quadrant I. Find cos(A+B). Give your answer as a fraction.

User Jimkont
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Answer:

con you be more organized on how you post the question will answer if fixed

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User Eric Lathrop
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