Find tanθ, cscθ, and cosθ, where θ is the angle shown in the figure. Give exact values, not decimal approximations.tanθ=cscθ=cosθ=

First we have to find the side that is missing:
17^2 = 8^2 + x^2
289 = 64 + x^2
289-64 = x^2
225 = x^2
x = sqrt(225) = 15
x = 15
tangent is opposite over adjacent