Trig Equations

Solve the equation 3cos^2 x−4cosx+1=0 for all values of x on the interval 0 ≤ x < 2π

x=0, 1.23, 5.05

Which of the following is NOT a solution to sin(x)=1?

x=270

Identify the values of x on the interval 0 < x < 2π that would satisfy the following equation: cos(x)=1/2

π/3, 5π/6

Identify possible values of x such that 0 < x < 2 π given the following equation: sin(x)=1/2

π/6, 5π/6

How many solutions does the following equation have on the interval 0 ≤ θ < 2π? cos(θ)= 0

2 Solutions