Question

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

Answer 1

draw the triangle.

Csc= hypotenuse/opposite= sqrt((-3)^2+2^2) /2
csca= 1/2 sqrt13

Answer 2

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