Flag Trigonometry> bsin x =asin(2y+x) then prove that (a+b)c...
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bsin x =asin(2y+x) then prove that (a+b)cot(x+y)=(b-a)cotx

Arham bothra , 8 Years ago
Grade 11
anser 1 Answers
Saurabh Koranglekar
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Last Activity: 6 Years ago
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