Unit Circle Angles and Radians

Front

What is the angle measure, in degrees, at the red marking on the unit circle? Options: 30°, 45°, 60°, 90°

Back

45°

Tags

CCSS.5.G.A.1

Front

sin π/4

Back

√2∕2

Tags

CCSS.HSF.TF.A.2

Front

cos 5π/6

Back

-√3/2

Tags

CCSS.HSF.TF.A.2

Front

cos 4π/3

Back

-1/2

Tags

CCSS.HSF.TF.A.2

Front

sin 7π/6

Back

-1/2

Tags

CCSS.HSF.TF.A.2

Front

sin 2π/3

Back

√3/2

Tags

CCSS.HSF.TF.A.2

Front

sin(30^o)=

Back

1/2

Tags

CCSS.HSF.TF.A.2

Front

cos(30^o)=

Back

√3/2

Tags

CCSS.HSF.TF.A.2

Front

The hypotenuse of any right triangle from the center of the unit circle to an edge is always

Back

1

Front

What is half a circle in radians?

Back

π

Tags

CCSS.HSF.TF.A.1