F24 Adv. Algebra Unit Circle & Trig Exam

Front

Solve on the Interval [0, 2π]: tan(x) + 1 = 2

Back

x = π/4 and 5π/4

Front

What is the order of the coordinate pairs for the points on the Unit Circle?

Back

(cosθ, sinθ)

Front

How many radians make up a SEMICIRCLE?

Back

π

Front

Solve: 2sin(x) - 1 = 0; [0, 2π]

Back

x = π/6, 5π/6

Front

What quadrant is -2π/3 in?

Back

III

Front

Define the Unit Circle.

Back

A circle with a radius of 1 centered at the origin (0,0) in the coordinate plane.

Front

What is the sine of an angle in the Unit Circle?

Back

The y-coordinate of the point on the Unit Circle corresponding to that angle.

Front

What is the cosine of an angle in the Unit Circle?

Back

The x-coordinate of the point on the Unit Circle corresponding to that angle.

Front

What is the tangent of an angle in the Unit Circle?

Back

The ratio of sine to cosine: tan(θ) = sin(θ)/cos(θ).

Front

What is the value of sin(π/2)?

Back

1