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Prove that cos^2x+sin^2x=1

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Prove that cos^2x+sin^2x=1

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Svtuition

1 Views • Mar 04, 2016

Description

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.