114- solving trig eq FA

Solve on the interval [0,360)

2cosx-1=0

• 60^o,120^o

• 60^o, 240^o

• 120^o, 240^o

• 60^o, 300^o

Solve for x on the interval [0, 360)

tan²x = tan x

• 0^o, 45^o, 90^o, 225^o

• 0^o, 45^o, 180^o, 225^o

• 0^o, 135^o, 180^o, 315^o

Solve

2cos²θ -1=0

on the interval [0, 2π)

• θ = π /4, 7π /4

• θ = π /4, 3π /4

• θ = 3π /4, 5π /4

• θ = π /4, 3π /4, 5π /4, 7π /4