The cotangent of 510 degrees is: -1.73205081
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It is approx 1.8040
Cotangent(0.675 radians) = 84.88 approx.
Firstly, with the unit circle (r=1) we need to know that:at 270 degrees our coordinates are (0, -1)sine(270 degrees) = -1cosine(250 degrees) = 0cotangent = cosine / sinetherefore: cot ( 270 degrees) = 0/-1 = 0The answer is 0.
1/(tangent of angle)
Cotangent is 1 / tangent. Since tangent is sine / cosine, cotangent is cosine / sine.