What is tan(((x-x^{-1}))/((x+x^{-1))}) ?

The solution to tan(((x-x^{-1}))/((x+x^{-1))}) is tan((x^2-1)/(x^2+1))

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simplify tan(((x-x^{-1}))/((x+x^{-1))})

simplify

tan (\frac{( x - x ^{- 1} )}{( x + x ^{- 1} )})

tan (\frac{x ^{2} - 1}{x ^{2} + 1})

Solution steps

tan (\frac{x - x ^{- 1}}{x + x ^{- 1}})

\frac{x - x ^{- 1}}{x + x ^{- 1}} = \frac{x ^{2} - 1}{x ^{2} + 1}

= tan (\frac{x ^{2} - 1}{x ^{2} + 1})

(y^{3})^{- 3}

\frac{3}{( z - i )} - \frac{6}{( z - i ) ^{2}}

(a - b)^{3} - (b - a)^{3}

(3 m^{- 2} n^{4})^{- 2}

(1.5 a + 1.3) (0.4 a^{2} - 2 a + 3)

What is tan(((x-x^{-1}))/((x+x^{-1))}) ?
The solution to tan(((x-x^{-1}))/((x+x^{-1))}) is tan((x^2-1)/(x^2+1))