math(advanced algebra&trigonometry)
posted by Rony .
If a is an angle in standard position and its terminal side passes through the point (3,2), find the exact value of csc a.
Answer: radical 13/2

draw the triangle.
Csc= hypotenuse/opposite= sqrt((3)^2+2^2) /2
csca= 1/2 sqrt13 
A large pizza has a diameter of 16 inches. Which of the following is the area of the pizza in terms of pi (n) (a) 32 (b) 64 (c) 13 (d) 10