Question

What is the exact value of `sec(135°)` in simplest rationalized form?

Answer 1

`sqrt2`

Explanation:

Trig table, unit circle, and property of complementary arcs -->
`cos (135) = cos (45 + 90) = sin (45) = sqrt2/2`
`sec 135 = 1/cos (135) = 2/sqrt2 = sqrt2`