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Popular >

sin(arccos(-1/5))

Solution

sin (arccos (- \frac{1}{5}))

Solution

\frac{2 6}{5}

+1

Solution steps

sin (arccos (- \frac{1}{5}))

Rewrite using trig identities:

sin (arccos (- \frac{1}{5})) = 1 - (- \frac{1}{5})^{2}

= 1 - (- \frac{1}{5})^{2}

Simplify

= \frac{2 6}{5}

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Frequently Asked Questions (FAQ)

What is the value of sin(arccos(-1/5)) ?
The value of sin(arccos(-1/5)) is (2sqrt(6))/5