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Popular >

arccos(cos((8pi)/9))

Solution

arccos (cos (\frac{8 π}{9}))

Solution

\frac{8 π}{9}

+1

Decimal Notation

160

Solution steps

arccos (cos (\frac{8 π}{9}))

Use the inverse trig property:

\frac{8 π}{9}

arccos (cos (\frac{8 π}{9}))

For

0 \leq x \leq π, a rccos (cos (x)) = x

0 \leq \frac{8 π}{9} \leq π

= \frac{8 π}{9}

= \frac{8 π}{9}

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Frequently Asked Questions (FAQ)

What is the value of arccos(cos((8pi)/9)) ?
The value of arccos(cos((8pi)/9)) is (8pi)/9