Given:
The function is:
To find:
The value of .
Solution:
We have,
Putting , we get
On combining like terms, we get
Therefore, the required function is .
Answer:
Hey mate, please describe your question perfectly.
If the Diameter Is 4 inches then the radius will be 2 inches!
Hope I Helped!
That is a 30 60 90 triangle.
Read about those here: http://www.1728.org/trig2.htm