Which best describes the construction of a triangle if given one side length of 8 cm and one 90 ° angle? a) unique triangle b) more than one triangle c) triangle not possible d) cannot be determined

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?

What percent of the circle below is shaded?

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