Pre-Calculus Second Quarterly Test

Multiple Choice: A unit circle is a circle whose radius is

• 1 unit

• 2 units

• 5 units

• 10 units

Multiple Choice: An angle is positive if the ray rotates in _______ direction

• clockwise

• counterclockwise

• similar

• opposite

Multiple Choice: Which of the following is not a unit of measurement of points in a unit circle?

• 85°

• 2 cm

Multiple Choice: How many radians are there in 270°?

• 315°

• 330°

• 335°

• 116°

Multiple Choice: What is the smallest coterminal angle of 870° angle?

• 30°

• 60°

• 120°

• 150°

Multiple Choice: In a unit circle, an angle in standard position measure 60°. In what quadrant does this angle lie?

• I

• II

• III

• IV

Multiple Choice: The ratio of opposite side and hypotenuse of a right triangle is equal to

• sine

• cosine

• tangent

• cotangent

Multiple Choice: The ratio of hypotenuse and adjacent side of a right triangle is known as

• cotangent

• secant

• cosecant

• cosine

Multiple Choice: What is cos 30°?

• 1