You can
put this solution on YOUR website! Unit Circle...
315 - 360 = -45°
Same as for 45° only in the 4th Quadrant
θ radians sin θ cos θ tan θ
0° 0 0 1 0
30° π/6 1/2 √3/2 √3/3
45° π/4 √2/2 √2/2 1
60° π/3 √3/2 1/2 √3
90° π/2 1 0 ─
(cosx, sinx) Summary Unit Circle
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