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2:03
YouTube
Mad Teacher
sin^2x+cos^2x=1 Proof |Mad Teacher
Do you like Voice Explanation then watch this more detailed video with voice over elaborating proofs of all three Fundamental Identities of Trigonometry: https://youtu.be/wwFgKTnZRrs This video explains the proof of sin^2x+cos^2x=1 using Pythagoras Theorem in the most simple and easy way possible. Please Share & SUBSCRIBE xoxo!
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