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_______º _______ rad _______º ________ rad ­­­­ _______º _______ rad _______º _______ rad ­­­­ _______º _______ rad ______º _______ rad Unit Circle use.

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Presentation on theme: "_______º _______ rad _______º ________ rad ­­­­ _______º _______ rad _______º _______ rad ­­­­ _______º _______ rad ______º _______ rad Unit Circle use."— Presentation transcript:

1 _______º _______ rad _______º ________ rad ­­­­ _______º _______ rad _______º _______ rad ­­­­ _______º _______ rad ______º _______ rad Unit Circle use formula for degrees to radians to fill in missing pieces (, )

2 Periodic Angles We learned about periodic angles earlier this week using the following examples. Example: sin 3π = sin 3π – 2π = sin π which is 0 from our unit circle, and trig functions.

3 We also learned about special right triangles 45 0 – 45 0 – 90 0 right triangle and what their exact values would be π/4 1 1 1

4 π/6 60 0 1 ½ π/3 30 0 1 ½

5 Lets put these 2 things together. sin 13π/6 Sin 13π/6 = Sin 13π/6 – 12π/6 = Sin π/6 = (use right triangle to get exact value)= 1/2

6 Tan 17π/4 Tan 17π/4 = Tan 17π/4 – 8π/4 – 8π/4 = tan π/4 = (use right triangle to get exact value)= 1

7 Csc 9π/2


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