15-02-2019
Mathematics

contestada

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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evgeniylevi evgeniylevi

15-02-2019

Answer:

24/25

Step-by-step explanation:

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

Ver imagen evgeniylevi

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