Solving Trigonometric Equations Using Identities

6. Trigonometric Identities and More Equations / Solving Trigonometric Equations Using Identities / Problem 4

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