Question

If 0° ≤ Θ≤ 360°, then find angle(s) Θ.
tanΘ=1

Answer 1

Answer: Θ =
`45`

Explanation:

tan x=sinx/cosx

and tan x is negative in the first and third quadrants.

tan x=1 for 45 degrees so tan x=-1 in the first quadrant 135 degrees and the third quadrant= 315 degrees