Exact Trig Values
six difficulty levels, timed, click to reveal
Difficulty
sin, cos and tan: exact values, then one ratio from another
1 · 0°, 30°, 45°, 60°, 90°
2 · Obtuse angles
3 · Obtuse and reflex
4 · More than 360°
5 · One ratio from another (acute)
6 · One ratio from another (obtuse and reflex)
Mixed 1–6
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L6
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