2 Answered Questions for the topic Trigonometry - Cos(A+B)

Trigonometry cos(a+b)

03/13/18

I need help finding x
It’s a s a right triangle one side is 53 degrees and the  hypotenuse  Is 45now I’m just trying to solve for x
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Expert Answers •2
Trigonometry cos(a+b)

11/03/17

Find cosA given cos(A+B) = 5/6 and cosB = 1/3. Both angles are acute and positive.
I'm teaching myself trig and came across this problem in an old textbook I'm using.
Follows • 2
Expert Answers •1

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