Basic Trig Equations

One solution of cos x = ½ is 60⁰, which of these is another solution?

• 300⁰
• 120⁰
• 240⁰
• 330⁰

One solution of cos x = -½ is 120⁰, which of these is another solution?

• 300⁰
• 120⁰
• 240⁰
• 330⁰

One solution of sin x = ½ is 30⁰, which of these is another solution?

• 300⁰
• 150⁰
• 210⁰
• 330⁰

One solution of tan x = √3 is 60⁰, which of these is another solution?

• 300⁰
• 120⁰
• 240⁰
• 330⁰

One solution of tan x = -1 is 135⁰, which of these is another solution?

• 315⁰
• 135⁰
• 225⁰
• 330⁰

On the domain [0, 2π), where does cos x = -1?

• 0
• ½π
• π
• ¾π

On the domain [0, 2π), where does sin x = 1?

• 0
• ½π
• π
• ¾π

On the domain [0, 2π), where does csc x = 1?

• 0
• ½π
• π
• ¾π

One solution of  tan x = -1 is x = 7π/4, which of these is another solution?

• 0
• ½π
• π
• ¾π

Which of these equations has the same solutions as sec x = 2?

• cos x = 2
• cos x = ½
• sin x = 2
• sin x = ½