Tangent, the acronym SOH-CAH-TOA can help, SOH= sine over hypotenuse, CAH= cosine over hypotenuse, and TOA= opposite over adjacent
Answer:
We conclude that:

Step-by-step explanation:
Given the expression

Rewrite
as 
so

Apply difference of two squares formulas:

so

∵
,
Therefore, we conclude that:

Answer: 14 2/3in
Step-by-step explanation: