Solving Trig Equations and Inverse Trig Functions

Evaluate the function:  arcsin(-1/2)

• π/3
• π/6
• 5π/6
• -π/6

Evaluate: cos^-1(√3/2)

• π/3

• 2π/3

• π/6

• 5π/6

Evaluate: Csc^-1(-√2)

• π/4
• 3π/4
• -π/4
• -3π/4

tan^-1(-√(3))=

• π
• -π/6
• -π/3
• -π/4

cos^-1(- √(3)/2) = 

• π/3
• 2π/3
• π/6
• 5π/6

sin^-1(√(2)/2) = 

• π/4
• π/3
• π/2
• π

cos^-1(0) = 

• π/2
• π
• 1
• none of these

sin^-1(-1) =

• π/2

• 0

• -1

• -π/2

Solve
cos θ = -1
on  θ∈[0, 2π)

• θ = π /2, 3π /2 
• θ = π /2
• θ = 3π /2
• θ = π  

Solve
cos²θ = ½ 
on θ∈[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