What is $tan (arccos (\frac{\sqrt{2}}{2}))$ $tan(arccos(sqrt2/2))$ ?

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Answer 1 · 2017-06-18T23:56:26

$tan (arccos (\frac{\sqrt{2}}{2})) = 1$ $tan(Arccos(sqrt2/2))=1$

We know that $cos(1/4pi) = sqrt2/2 therefore Arccos(sqrt2/2) =1/4pi$

$thereforetan(arccos (sqrt2/2)) = tan(1/4pi)=1$

What is tan(arccos(sqrt2/2))tan(arccos(√22))tan(arccos(sqrt2/2))?