Question

How do you evaluate `csc((7pi)/6`?

Answer 1

• 2

Explanation:

`csc = 1/(sin)`. Find `sin ((7pi)/6).`
Trig table and unit circle -->
`sin ((7pi)/6) = sin (pi/6 + pi) = - sin(pi/6) = - 1/2`
There for,
`csc ((7pi)/6) = 1/(sin) = - 2`