Question

For an angle Θ with the point (16, −30) on its terminating side, what is the value of cosine?

Answer 1

\(16\) over the hypotenuse of the triangle with one side \(16\) and the other \(30\)

Answer 2

i.e. \[\frac{16}{\sqrt{16^2+30^2}}\] as a start

Answer 3

You need to solve for c. a2+b2=c2

Answer 4

@PrincessHush nice picture!

Answer 5

Thanks! (: @satellite73

Answer 6

Doesn't theta in this case have one side on the x-axis?