Math, asked by MallaReddy1, 1 year ago

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prove that
2cos(x+y)/2.cos(x-y)/2=tan(x-y)/2
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sin(x+y)/sin(x-y)=tanx+tany/tanx+tany
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Answers

Answered by NidhraNair
3
hello...
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please refer the above attachment...

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sorry about my handwriting..
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thank you..

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Answered by odedarahitesh6p7je14
1
Hi I hope that this helps
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