Unit Circle Trigonometry

Front

What is the value of 45 degrees in radians?

Back

Tags

CCSS.HSF.TF.A.1

Front

Solve the equation: 4\cos x - 2 = 0

Back

Tags

CCSS.HSF.TF.B.7

Front

In which quadrants is cos θ positive?

Back

The 1st and 4th quadrants.

Tags

CCSS.HSF.TF.A.2

Front

What is the phase shift for the function y=4\sin(2\theta-\pi)+1?

Back

Tags

CCSS.HSF-IF.C.7E

Front

Approximate the angle of rotation's degree measure for the angle 60 degrees.

Back

60°.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What is the definition of the unit circle?

Back

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

Tags

CCSS.HSF.TF.A.2

Front

What is the sine of 90 degrees?

Back

1.

Tags

CCSS.HSF.TF.A.2

Front

What is the cosine of 0 degrees?

Back

1.

Tags

CCSS.HSF.TF.A.2

Front

What is the tangent of 45 degrees?

Back

1.

Tags

CCSS.HSF.TF.A.2

Front

What is the relationship between sine and cosine in the unit circle?

Back

For any angle θ, sin(θ) = y-coordinate and cos(θ) = x-coordinate on the unit circle.

Tags

CCSS.HSF.TF.A.2