Trigonometry : Proving trig Identities (example 2) : ExamSolutions

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Uploaded by on Mar 17, 2010

Proof of a trig identity. To see the revision guide goto ExamSolutions http://www.examsolutions.co.uk

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  • You can put a square box at the end to show people you have finished a proof. And this is helping by the way, very much. Expecially because I really didn't think of the Difference of Squares as an Identity but that will now help me to open my eyes to bigger pictures of all kinds. Thanks again.

  • @jlh2667 I will possibly bear this in mind.

  • Thank you! this really helped me a lot!

  • @SadiaChowdhury Pleasure

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  • Haha, I really like how you write the word "proof" :) Thank you sooo much. This really was helpful, I'll be sure to share this on Facebook :D

  • I like your videos. thanks for posting :)

  • omg can't believe I didnt remember that A square - B square part, gotta review my algebra... oh and thx for the vid :D

  • Thanks so much! :)

  • thank you very much

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