If cosA=1/7 and cosB =13/14, find the values of sin(A-B) and cos(A-B). | Trigonometric Ratios of Compound Angles | Trigonometry | Sci-Pi

If cosA= 1/7 and cosB = 13/14, find the values of  sin(A-B) and cos(A-B).

Answer:

You need to know these following things to be able to solve such questions and get the value of given compound angles.

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