Mathematics Unit Test:Trigonometric Functions and Ratio

If the sinθ=7/12, what is cosθ?

• 12√95/95
• 12/95
• 12/√95
• √95/12

Find the measure of the indicated angle (?)(in degree) round to the nearest tenth.

Which of the following is a negative co-terminal angle of 165 degrees?

• -165
• 525
• -525
• -555

What is the co-terminal angle of 210⁰ ?

• -30⁰
• -150⁰
• -40⁰
• 150⁰

An arc of length 8.38 m subtends a central angle of measure 40° in a circle of radius .....................m

Which angle is supplementary to 135°?

• 6π/4
• π

• π/4
• − 5π/4

What is the radian measure of the shaded angle?

Find the reference angle for an angle measuring θ = -310⁰

• 50⁰
• -50⁰
• 20⁰
• 40⁰

The value of cos(-240⁰) is

• 0.5

• -0.5

• -0.866

• -0.707