Determine the value of X in the diagram below
X = 90
x = 45
x = 50
x = 54

Ineed with 14, 16, 28 and 36 me. we didn't go over them in class so i don't know what to do.

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?

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a