Draw the unit circle in degrees from 0 to 360 degrees and label all 15 exact values for the angles that are multiples of 90, 45 and 30 degrees. Do it on paper, not here!
(Notice! You only need to remember the angles 30, 45 and 60. The rest repeat via symmetry and are adjusted in sign using All_Silly_Turtles_Cry)
Question 5
5.
Draggable item
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Corresponding Item
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Question 6
6.
Use your unit circle to find the exact value of sin 315°
Question 7
7.
Use your unit circle to find the exact value of cos 315°
Question 8
8.
Use your unit circle to find tan 315° ?
Question 9
9.
Without using a calculator, find the exact value of
Question 10
10.
Without using a calculator, find the exact value of
