what is the value of sin(90+A-B)
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sin(90+(A-B))
Cos (A - B)
cos A cos B + sin A sin B
hope it helps
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Cos (A - B)
cos A cos B + sin A sin B
hope it helps
please mark it as brainliest
Honey6768:
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wrong sin(90°-theta)=cos theta
but its +
sin (90 degree + theta )is also cos ( theta)
your answer is also the same if we expand that
Answered by
1
sin[90°-(B-A)]=cos(B-A)
your answer is also the same if we expand that
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