A group of 45 students went trip to the zoo. Each student paid $11.50 admission to the zoo. How much in all did the student pay
2 answers:
You might be interested in
The question is related to trigonometry and we have to use the formula of double angle .
Here we use double angle formula of tangent function which is
Given expression is
Comparing it with double angle formula, we will get x = 5
SO the required expression is equal to
So the answer is tan(10) .