Solving Trigonometric Equations Using Identities

12. Trigonometric Identities / Solving Trigonometric Equations Using Identities / 문제 3

문제 3

Solve the following trigonometric equation on the interval [0, 2π) with the help of an identity.
tan x - sec x = -1

π, 5π/2

π/2, π, 5π/2

π/2, π

Solve the following trigonometric equation on the interval [0, 2π) with the help of an identity.tan x - sec x = -1