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Popular >

tan(arccos(0.9))

Solution

tan (arccos (0.9))

Solution

\frac{19}{9}

+1

Solution steps

tan (arccos (0.9))

= tan (arccos (\frac{9}{10}))

Rewrite using trig identities:

tan (arccos (\frac{9}{10})) = \frac{1 - ( \frac{9}{10} ) ^{2}}{( \frac{9}{10} )}

= \frac{1 - ( \frac{9}{10} ) ^{2}}{\frac{9}{10}}

Simplify

= \frac{19}{9}

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Frequently Asked Questions (FAQ)

What is the value of tan(arccos(0.9)) ?
The value of tan(arccos(0.9)) is (sqrt(19))/9