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If sin2A = xsin2B prove that tan(A+B)/tan(A-B) = (x+1)/(x-1)

If sin2A = xsin2B prove that tan(A+B)/tan(A-B) = (x+1)/(x-1)

Grade:11

3 Answers

kumar
14 Points
6 years ago
sin2A
kumar
14 Points
6 years ago
sin2A/sin2B = x/1 and using componendo and dividendo we can write (sin2A + sin 2B)/(sin2A – sin2B) = (x+1)/(x-1) and then apply sinC + sinD and sin C – sin D formula .
alok yadav
15 Points
4 years ago
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