Why does cos^2x+sin^2x=1

In above video, we have prove cos^2x+sin^2x=1. It could only possible because square of hypotenuse side is always equal to the sum of square of opposite side and square of adjacent side.

Vinod Kumar


Prof. Vinod Kumar is an Indian Educator, Motivational Speaker, Naturopathic Practitioner and Entrepreneur . He is the founder of Svtuition... read more »


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