sin(A+B) +Sin(A-B)=??
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Answered by
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Answer:
SIN A COS B +COS A SIN B-(SIN A COS B-COS A SIN B
[SIN A COS B GETS CANCELLED]
=2 COS A SIN B
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Answered by
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Step-by-step explanation:
sin(A+B) + Sin(A-B)
SinA + SinB +SinA - SinB
2SinA
Thus your answer is 2SinA
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