What is $csc$ $csc$ $\frac{7 π}{6}$ $(7pi)/6$ ?

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What is $csc$ $csc$ $\frac{7 π}{6}$ $(7pi)/6$ ?

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Answer 1 · 2018-04-28T21:02:36

The answer $- \frac{2}{\sqrt{3}}$ $-2/sqrt3$

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$csc (\frac{7 π}{6})$ $csc((7pi)/6)$ lies in the second quadrant

$csc (\frac{7 π}{6}) = \frac{1}{sin (\frac{7 π}{6})} = - \frac{1}{sin (\frac{π}{6})} = - \frac{1}{\frac{\sqrt{3}}{2}} = - \frac{2}{\sqrt{3}}$ $csc((7pi)/6)=1/sin((7pi)/6)=-1/sin((pi)/6)=-1/(sqrt3/2)=-2/sqrt3$

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What is $csc$ $csc$ $\frac{7 π}{6}$ $(7pi)/6$ ?

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What is $csc$ $csc$ $\frac{7 π}{6}$ $(7pi)/6$ ?