Section 7.4 Other Trigonometric Functions Video Quiz

At which radian measures are sine and cosine equal on the unit circle?

• π/2 and 3π/2

• π/4 and 5π/4

• π/6 and 7π/6

• π/3 and 4π/3

In quadrant two, if sine of an angle is √2/2, what is the cosine of the angle?

• 1/2

• -1/2

• -√2/2

• √2/2

What is the period of the tangent function?

• 2π

• π

• π/2

• 4π

What is the secant of π/6?

• 2

• √3/2

• 1/2

• 2/√3

What is the cotangent of π/4?

• 1

• √2

• 1/√2

• 2

What is the secant of 7π/6?

• -2/√3

• √3/2

• 2/√3

• -√3/2

What is the cotangent of 13π/6?

• 1/√3

• -1/√3

• √3

• -√3

If cosine of T is -1/3 and T is in quadrant three, what is the sine of T?

• 2√2/3

• -2√2/3

• -√2/3

• √2/3

What is the sine of -T if sine of T is √2/2?

• -1/2

• √2/2

• 1/2

• -√2/2

Using a graphing calculator, what is the approximate value of cos(267π/500)?

• 0.228

• -0.414

• -0.228

• 0.414