Political Science, asked by halleysangelcomet, 9 months ago

Evaluate cos(cot-1 7/21)

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Answered by kd1030601

Answer:

The inverse of the cotangent function is called inverse cotangent or arccot. It is denoted by cot-1x. The domain and range of arccot function is -∞ < x < ∞, and 0 < y < π respectively.

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Evaluate cos(cot-1 7/21)​

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Evaluate cos(cot-1 7/21)