(see attached thumbnail)

Where did I go wrong?

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- July 3rd 2013, 06:58 PMAaPaAnomaly in problem
(see attached thumbnail)

Where did I go wrong? - July 3rd 2013, 08:26 PMibduttRe: Anomaly in problem
- July 3rd 2013, 10:12 PMAaPaRe: Anomaly in problem
thank you but please tell me what was wrong in what i did.

- July 4th 2013, 04:12 AMibduttRe: Anomaly in problem
there is nothing wrong but you did not start the proof at all. you have just used the condition A + B + C = pi to simplify the expression. the proof starts thereafter. That is why I started from where you left ok.

- July 5th 2013, 04:41 AMAaPaRe: Anomaly in problem
the given condition was A+B+B=pi

I don't understand how i got A+B+C=pi/2