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hsedward hsedward
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Posts: 47
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3 years ago
if sin A =3/5 and cos B= 5/12, where A and B are in the first quadrant , algebraically determine the value of sin (A-B)
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wrote...
Educator
3 years ago
Hi hsedward

Use the identity: sin(A - B) = sin A cos B - cos A sin B

Here's a video on sum and difference of angles:

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