Solving Trig Equations

Solve on the Interval [0,2π)
     tan(x) + 1 = 0     

• x = π/4, x = 5π/4

• x = π/4, x = 3π/4

• x = π/2

• x = 3π/4, x = 7π/4

solve the equation sinx=1

• 0

• 45

• 90

• 180

cosx=1

• 0

• 30

• 45

• 90

sinx=0

• 0

• 30

• 45

• 90

sinx=1/2

• 0

• 30

• 45

• 60

TRUE or FALSE:
There is NO SOLUTION to sinθ = -1.

• TRUE

• FALSE

Solve: 4sinθ + 1 = 3 State all solutions in the interval [0, 2π)

• π/ 6, 7π/6

• π/6, 5π/ 6

• 5π/6, 7π/6

• 7π/6, 11π/6

Solve: 2cscθ + 2 = 0

State all solutions in the interval [0, 2π)

• π/2, 3π/2

• π/2

• 3π /2

• π

Solve: 4sin²x = 3 State all solutions in the interval [0, 2π)

• π/6, 11π/6

• π/3, 2π/3

• π/6, 5π/6, 7π/6, 11π/6

• π/3, 2π/3, 4π/3, 5π/3