Trigonometry : Proving trig Identities (example 2) : ExamSolutions

[Jonasfan092]

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

[JLchevz]

I like your videos. thanks for posting :)

[jlh2667]

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.

[ExamSolutions]

@jlh2667 I will possibly bear this in mind.

[FIy019]

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

[SadiaChowdhury]

Thank you! this really helped me a lot!

[ExamSolutions]

@SadiaChowdhury Pleasure

[jaknak07]

Thanks so much! :)

[lammy9463]

thank you very much