The Right Triangle and the Cotangent Function


A Right Triangle Relative to angle A, this is how the sides of a right triangle would be labeled.

The cotangent of angle A equals the length of the adjacent side divided by the length of the opposite side.

We could write:

cot(A) = adj / opp

So, for example, if the length of the adjacent side was 8 and the length of the opposite side was 6, then we would write:

cot(A) = 8 / 6

cot(A) = 1.3333



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