### Formula

cotA

cotangent of angle A

a

length of the opposite side

b

length of the adjacent side

cotA

cotangent of angle A

a

length of the opposite side

b

length of the adjacent side

The cotangent cot(A) is the reciprocal of tan(A), i.e. the ratio of the length of the adjacent side to the length of the opposite side:

a

b

cotA

Precision

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