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Popular >

1/(cos(210))

Solution

\frac{1}{cos ( 21 0 ^{\circ} )}

Solution

- \frac{2 3}{3}

+1

Solution steps

\frac{1}{cos ( 21 0 ^{\circ} )}

Rewrite using trig identities:

cos (21 0^{\circ}) = - \frac{3}{2}

= \frac{1}{- \frac{3}{2}}

Simplify

\frac{1}{- \frac{3}{2}} : - \frac{2 3}{3}

= - \frac{2 3}{3}

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Frequently Asked Questions (FAQ)

What is the value of 1/(cos(210)) ?
The value of 1/(cos(210)) is -(2sqrt(3))/3