UnitCircle

What is the value of cosine at 0

• 0
• 1/2
• 1
• √3 / 2

What is the value of cosine at 135

• 0
• 1/2
• √2 /2
• -√2 /2

sin 7π/6

• 1/2
• -1/2
• √3/2
• -√3/2

What is sin 45°?

• 1
• ^√3/₂
• ½
• ^√2/₂

cos 5π/6

• -1/2
• 1/2
• √3/2
• -√3/2

What is the reciprocal of the sine function?

• cosecant

• cosine

• secant

• cotangent

sec 3π/2

• 0
• undefined
• 1
• -1

tan 7π/4

• -1
• 1
• √2/2
• undefined

cos 4π/3

• -√3/2
• √3/2
• 1/2
• -1/2

cot 3π/4

• -√2/2
• -1
• 1
• √2/2