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Popular >

arcsin(cos(pi/9))

Solution

arcsin (cos (\frac{π}{9}))

Solution

\frac{7 π}{18}

+1

Solution steps

arcsin (cos (\frac{π}{9}))

Rewrite using trig identities:

cos (\frac{π}{9}) = sin (\frac{7 π}{18})

= arcsin (sin (\frac{7 π}{18}))

Use the inverse trig property:

\frac{7 π}{18}

= \frac{7 π}{18}

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2 sin (7 5^{\circ}) cos (7 5^{\circ})

Frequently Asked Questions (FAQ)

What is the value of arcsin(cos(pi/9)) ?
The value of arcsin(cos(pi/9)) is (7pi)/(18)