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10 questions
Which of the following are the trigonometric special angles?
45°, 20°, 0°, 90°, 60°45^{\degree},\ 20^{\degree},\ 0^{\degree},\ 90^{\degree},\ 60^{\degree}45°, 20°, 0°, 90°, 60°
50°, 20°, 0°, 80°, 60°50^{\degree},\ 20^{\degree},\ 0^{\degree},\ 80^{\degree},\ 60^{\degree}50°, 20°, 0°, 80°, 60°
0°, 90°, 60°, 35°, 45°\ 0^{\degree},\ 90^{\degree},\ 60^{\degree},\ 35^{\degree},\ 45^{\degree} 0°, 90°, 60°, 35°, 45°
0°, 90°, 60°, 30°, 45°\ 0^{\degree},\ 90^{\degree},\ 60^{\degree},\ 30^{\degree},\ 45^{\degree} 0°, 90°, 60°, 30°, 45°
sin45°=?\sin45^{\degree}=?sin45°=?
1
12\frac{1}{2}21
13\frac{1}{\sqrt{3}}31
12\frac{1}{\sqrt{2}}21
cos45°=?\cos45^{\degree}=?cos45°=?
0
tan45°=?\tan45^{\degree}=?tan45°=?
2\sqrt{2}2
sin30°=?\sin30^{\degree}=?sin30°=?
23\frac{2}{\sqrt{3}}32
32\frac{\sqrt{3}}{2}23
cos30°=?\cos30^{\degree}=?cos30°=?
tan30°=?\tan30^{\degree}=?tan30°=?
3\sqrt{3}3
111
sin60°=?\sin60^{\degree}=?sin60°=?
000
cos60°=?\cos60^{\degree}=?cos60°=?
tan60°=?\tan60^{\degree}=?tan60°=?
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