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If tan^2 a+2tan a*tan 2b=tan^ b+2tan b*tan 2a, then prove that: (A)tan a+tan b=0 (B)tan^2 b+2tan b*tan 2a=1 (C)tan a=tan b

If tan^2 a+2tan a*tan 2b=tan^ b+2tan b*tan 2a, then prove that:
(A)tan a+tan b=0
(B)tan^2 b+2tan b*tan 2a=1
(C)tan a=tan b
 

Grade:11

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