I need help finding the value of X.
2 answers:
You might be interested in
Let 
. Then 
, and so as 
, you have 
. The limit is then equivalent to
If we know that the WHOLE angle added is 105 and only part is 75 you need to subtract the whole angle and subtract from part of the whole angle.
105-75=30. You get 30 And that’s you answer!
Picture to help with your understanding.
