Okay, so I know that the tan(0 deg) and tan(180 deg) (or 0 rad and pi rads) are both 0, so wouldn't the cot of those be undefined since it's the reciprocal of the tan? The answer says pi/2 though.

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- Jun 8th 2012, 03:27 AMdaigocot(x) = 0, find x
Okay, so I know that the tan(0 deg) and tan(180 deg) (or 0 rad and pi rads) are both 0, so wouldn't the cot of those be undefined since it's the reciprocal of the tan? The answer says pi/2 though.

- Jun 8th 2012, 03:29 AMProve ItRe: cot(x) = 0, find x
- Jun 8th 2012, 07:30 AMDevenoRe: cot(x) = 0, find x
in other words, the places where cot(x) = 0 are the places where tan(x) are undefined.