Finding Exact Values with Special Right Triangles

What is the angle called that shares the same terminal side as another angle?

• Adjacent angle

• Co-terminal angle

• Supplementary angle

• Alternate angle

How do you convert 120 degrees to radians?

• 2π/3 radians

• π/6 radians

• 3π/2 radians

• π/3 radians

Tags

CCSS.HSF.TF.A.1

How do you find a negative co-terminal angle for 320 degrees?

• -320 degrees

• -40 degrees

• 40 degrees

• -220 degrees

What is the correct way to convert radians to degrees?

• Multiply by 180/π

• Divide by π/180

• Multiply by π/180

• Divide by 180/π

Tags

CCSS.HSF.TF.A.1

What is the reference angle for an angle of 255 degrees?

• 180 degrees

• 75 degrees

• 255 degrees

• 105 degrees

What is the reference angle for an angle of 345 degrees?

• 15 degrees

• 90 degrees

• 45 degrees

• 75 degrees

In a 30-60-90 triangle, what is the ratio of the side opposite the 30-degree angle to the hypotenuse?

• 1/2

• √3/2

• 1/√3

• 2/√3

Tags

CCSS.HSG.SRT.C.7

What quadrant does an angle of 135 degrees fall into?

• Quadrant IV

• Quadrant II

• Quadrant III

• Quadrant I

What is the cosecant of 300 degrees equivalent to?

• -2√3/3

• 2/√3

• -2√3/3

• -2√3

Tags

CCSS.HSF.TF.A.2

What is the tangent of 330 degrees?

• √3

• -√3

• √3/3

• -√3/3

Tags

CCSS.HSF.TF.A.2