SHS Geometry Unit 6 Test Review Part 2

Front

What is the definition of a unit circle?

Back

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

Front

What is the circumference of a unit circle?

Back

The circumference of a unit circle is 2π.

Front

What is the radius of a unit circle?

Back

The radius of a unit circle is 1.

Front

What is the value of sin(π/4)?

Back

sin(π/4) = \frac{\sqrt{2}}{2}.

Front

What is the angle that is coterminal with -60°?

Back

The angle that is coterminal with -60° is 300°.

Front

What is a complete circle in radians?

Back

A complete circle in radians is 2π.

Front

How do you convert radians to degrees?

Back

To convert radians to degrees, multiply by \frac{180}{π}.

Front

What is 4π/3 radians in degrees?

Back

4π/3 radians is equal to 240°.

Front

What is the value of cos(π/3)?

Back

cos(π/3) = \frac{1}{2}.

Front

What is the value of tan(π/4)?

Back

tan(π/4) = 1.