Answer:

Step-by-step explanation:
Use the acronym SOH-CAH-TOA
sin = 
So opposite is 3 and hypotenuse is 4.
tan = 
So opposite is -3 and adjacent is 4.
cos = adjacent/hypotenuse
cos = 
Answer:
(3,8)
Step-by-step explanation:
The answer is 471.25. You're supposed to multiply all three of those numbers.
Answer: (-6, infinty)
Step-by-step explanation: