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Calculate the square root of $2$
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$\sin\left(x\right)=\frac{\sqrt{2}}{2}$
Learn how to solve differential calculus problems step by step online. Prove that sin(x)=(2^1/2)/2 is not an identity. Calculate the square root of 2. Divide \sqrt{2} by 2. The angles where the function \sin\left(x\right) is \frac{\sqrt{2}}{2} are. There is no identity or mathematical rule that allows us to proceed trying to match both sides of the equality, so we conclude that it is not true.