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Trigonometry : Proof of Trigonometric Identity (1) Class 10



Excel Classes People-Blogs 2017-02-22 - 15:17:41

"In this video, the identity sin^2 x + cos^2 x = 1 is proved. This is the part 1 of 3, in which all the basic identities of Class 10 will be proved. If anyone has any issue or doubt, then feel free to comment. It will be answered as soon as possible."



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