REVIEW Unit Circle

Front

Back

Front

Back

Front

In which quadrants is cosine (cos) positive?

Back

The 1st and 4th quadrants.

Front

Back

Undefined.

Front

Using the Unit Circle, find cos 360^o

Back

1.

Front

What is the definition of the Unit Circle?

Back

A circle with a radius of 1 centered at the origin of a coordinate plane.

Front

Back

Front

What is the value of sin 0^o?

Back

0.

Front

What is the value of cos 90^o?

Back

0.

Front

What is the relationship between sine and cosine on the Unit Circle?

Back

Sine corresponds to the y-coordinate and cosine corresponds to the x-coordinate.