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What is Sin (A-B) if Sin A =4/5 in the second quadrant and cos B = 3/5 in the first quadrant
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What is Sin (A-B) if Sin A =4/5 in the second quadrant and cos B = 3/5 in the first quadrant

User Michael Pratt
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1 Answer

5 votes

Answer:

24/25

Explanation:

using the formula sin(a-b)=sin(a)*cos(b)-sin(b)*cos(a). The details are in the attached picture.

What is Sin (A-B) if Sin A =4/5 in the second quadrant and cos B = 3/5 in the first-example-1
User John Vincent
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