7/4 is the answer to your question
I know this is probably too late but its 60%
Answer:picture of question please
Step-by-step explanation:
Answer:
tan 4x
Step-by-step explanation:
Note the difference identity for tangent ratio is
tan(x - y) = 
Given
← in the form of the right side of the expansion, thus
= tan(9x - 5x)
= tan 4x