Math III - 7.4 DHQ (2nd) 12/10

Front

What is the angle measure corresponding to the ordered pair (1,0)?

Back

Front

What is the value of cos(5π/6)?

Back

Front

What is the value of tan(7π/4)?

Back

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

Front

What is the reference angle for an angle in standard position?

Back

The acute angle formed by the terminal side of the angle and the x-axis.

Front

How do you find the reference angle for an angle in the second quadrant?

Back

Front

How do you find the reference angle for an angle in the third quadrant?

Back