Answer:
Option D
Explanation:
We have that:
csc(x) = 1/sin(x)
Then:
csc( tan(√(17)/8)^-1 )
To use the inverse tangent function, you can go to the "inv" button in your calculator, and then use go to the "tan" button.
This is equal to:
= csc( 27.26°)
= csc(27.26°)
= 1/sin(27.26°) = 2.18
And we know that:
(9*√17)/17 = 9/√17 = 2.18
Then the correct option is D.