Answer:
use sine or cosine rule
Step-by-step explanation:
that's the answer by using the sine rule
Answer: the first
Step-by-step explanation:
becuase its only right to know you can look it up to
Answer:
a.
Step-by-step explanation:
Given function:

To find 
Solution:
In order to find
,we need to plugin input=2 i.e. the value of
in the function and find the output by evaluating.
Plugging in
in the given function.

Evaluating.


∴
(Answer)
A closed circle means that value is included, and an open circle means that value is excluded.
Example:
x > 2 ---- Graphed with an open circle, everything greater than but not including 2
x ≤ 3 ------ Graphed with a closed circle, everything less than and including 3
Will you please provide more information and state a clear question