SOLUTION: The following relationship is known to be true for two angles A and B: cos(A)cos(B)-sin(A)sin(B)=0.957269 Express A in terms of the angle B. Work in degrees and report numeri

Question 1033353: The following relationship is known to be true for two angles A and B:
cos(A)cos(B)-sin(A)sin(B)=0.957269
Express A in terms of the angle B. Work in degrees and report numeric values accurate to 2 decimal places. Write your answer as an expression and be sure your variables match those in the question.
Help?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
cos(A)cos(B)-sin(A)sin(B)=0.957269
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cos(A+B) = 0.9577
A+B = arccos(0.9577) = 16.72 degrees
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Cheers,
Stan H.
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