Aright triangle has an acute angle measure of 22 degrees which two numbers represent the lengths of the legs of this triangle

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6