Formative Assessment

1) In what direction do positive angles move?

2) In the unit circle what is the length of the radius of the circle?

3) Which Trigonometric function provides the y value of a coordinate on the unit circle?

4) Which value corresponds to a reference angle of 60 degrees?

5) In what 2 quadrants are tan values negative?

6) If P(x, y) is on the unit circle, and sin t = y, which Trigonometric function represents 1/y ?

7) Which Trigonometric function is the reciprocal value of tan x?

8) Let the Point P have polar coordinates (r,) and rectangular coordinates (x,y). Which value is equivalent to r*cos() ?

9) Let the Point P have rectangular coordinates (x,y). Which relationship will be helpful in determining the polar coordinates of P?

10) In a 45-45-90 special right triangle, the hypotenuse is how much larger than one of its legs?

11) In a 30-60-90 special right triangle, which side has a direct relationship to the other 2 sides?