Thrimani Posts: 2, Reputation: 1 New Member #1 Mar 1, 2011, 08:32 AM
prove this ;- (sine A/2)/(cosA/2 1) = tanA/2?
 Thrimani Posts: 2, Reputation: 1 New Member #2 Mar 1, 2011, 08:39 AM
prove this ;- (sine A/2)/(cosA/2 +1) = tanA/2?
 Unknown008 Posts: 8,076, Reputation: 723 Uber Member #3 Mar 1, 2011, 09:31 AM

Um... do you realise that:

$\tan A = \frac{\sin A}{\cos A}$

Hence, this is not a valid proof.

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