Conversion of Radians and Degrees Degree Radian Radians Degrees Example 1Converting from Degrees to Radians [A] 60° [B] 30° Example 2Converting from Radians to Degrees [A][B]

Unit Circles Degrees Radians Radian Degrees Memorize

Unit Circle (degrees)

Lesson 13.6Circular Functions Unit Circle Ordered Pair: Example 1Unit Circle Points (Find Sine & Cosine) A] B]

Example 2Exact Values Using Trig Ration (Calculator Free) A] B] 30º 2

Unit Circle with Common Measures

1.

4.

7.

10.

11.

13. Name the given trig Ratios at the ordered Pair (-5, 12) Sin θ = Cot θ =

16. Name the given trig Ratios at the ordered Pair (-5, 0) Sin θ = Cot θ =

19.

Example 1:Evaluate Trig Functions Given a Point a)(5, –12) b)(–3, 4) sin θ =csc θ = cos θ =sec θ = tan θ =cot θ = sin θ =csc θ = cos θ =sec θ = tan θ =cot θ = θ

Example 2:Quadrant Angles a)270° b)2π sin θ =csc θ = cos θ =sec θ = tan θ =cot θ = sin θ =csc θ = cos θ =sec θ = tan θ =cot θ =

45˚ Calculator Free Trigonometry [1] [2] [3] Jim is standing 40 feet from the base of a flagpole. He is looking a the top of the pole with and angle of elevation of 45˚. Find the height of the flagpole.

Calculator Free Trigonometry 60˚ 30˚ [1] [2] [3] A 20 foot ramp has an angle of elevation of 30˚. Find the vertical rise of the ramp.