What is tan(arcsec(x/(20))) ?

The solution to tan(arcsec(x/(20))) is (sqrt(x^2-400))/(20)

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simplify tan(arcsec(x/(20)))

simplify

tan (arcsec (\frac{x}{20}))

\frac{x ^{2} - 400}{20}

Solution steps

tan (arcsec (\frac{x}{20}))

Use the following identity:

tan (arcsec (x)) = x^{2} - 1

= (\frac{x}{20})^{2} - 1

Simplify

= \frac{x ^{2} - 400}{20}

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What is tan(arcsec(x/(20))) ?
The solution to tan(arcsec(x/(20))) is (sqrt(x^2-400))/(20)