Question

If tanθ = 5/12, find secθ

Answer 1

Look up arc tangent of 5/12.
Then look up the secant of this angle.

Answer 2

Use the trig identity: 1 + tan^2 x = sec^2 x
Replace tan x = 5/12 --> (1 + tan^2 x) =1 + 25/144 = 1.174
sec x = ?