Formative Assessment

Trigonometric Concepts

Formative Assessment

1) In what direction do positive angles move?

Clockwise rotation Counter-clockwise rotation

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

1 3 2 4

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

Sin Cos Tan Csc

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

[math]\frac{\prod}{4}[/math] [math]\frac{\prod}{2}[/math] [math]\frac{\prod}{6}[/math] [math]\frac{\prod}{3}[/math]

5) In what 2 quadrants are tan values negative?

Quadrants 2 & 3 Quadrants 1 & 3 Quadrants 2 & 4 Quadrants 1 & 2

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

cot t sec t cos t csc t

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

sin x cot x sec x csc x

8) Let the Point P have polar coordinates (r,[math]\Theta[/math]) and rectangular coordinates (x,y). Which value is equivalent to [br]r*cos([math]\Theta[/math]) ?

z x y

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

r^2 = x^2 - y^2 r = x^2 + y^2 r^2 = x^2 + y^2

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

[math]\sqrt{2}[/math] [math]\sqrt{3}[/math] 2

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

Short Leg; ([math]\sqrt{3}[/math]* and 2*) Longer Leg; ([math]\sqrt{3}[/math]* and 2*) Hypotenuse; ([math]\sqrt{3}[/math]* and 2*)

Formative Assessment

Trigonometric Concepts

Formative Assessment

Information: Formative Assessment