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cos (42 degrees) = 0.74314 (rounded) cos (42 radians) = -0.4 (rounded) cos (42 grads) = 0.79015 (rounded)
Every angle has a sine and a cosine. The sine of 35 degrees is 0.57358 (rounded) The cosine of 35 degrees is 0.81915 (rounded)
Cos 43
cos 315 degrees is 4th quadrant same as cos (-45) degrees which is +0.7071
cos 34o ≈ 0.829 cos 34 = 0.86074