What is the exact value of $tan 45$ $tan 45$ ?

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Answer 1 · 2018-03-26T23:25:01

$tan (45^{\circ}) = 1$ $tan(45 ^circ) = 1$

A 45-45-90 triangle has legs of identical length and a hypotenuse of $\sqrt{2}$ $sqrt2$ times that.

By SOHCAHTOA, tangent is opposite over adjacent, which are the two legs. Since they have the same length, $tan (45^{\circ}) = 1$ $tan(45 ^circ) = 1$

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