SOLUTION: If sin A = 3/5 and cos B = 12/13, and A and B are both positive acute angles, find the value of cos (A+B).

SOLUTION: If sin A = 3/5 and cos B = 12/13, and A and B are both positive acute angles, find the value of cos (A+B).

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Question 1106079: If sin A = 3/5 and cos B = 12/13, and A and B are both positive acute angles, find the value of cos (A+B).
Answer by ikleyn(52835) (Show Source): You can put this solution on YOUR website!
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Read the lesson
- Evaluating trigonometric expressions, Problem 1
in this site.

It is your sample: very similar problem was solved there.

After reading, solve your problem in the same way.

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