What is tan 45º?
15
1
90
45°

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?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points