Search:

Which set of rectangular coordinates describes the same location as the polar coordinates (3squareroot2,3pi/4)?

1) (-3,3)
2) (-3,-3)
3) (-3square2,3square2)
4) (3,-3)

a) (-4,7)
b) (-2,24)
c) (16,16)
d) (-1,18)

PLEASE HELP!! :)

Suppose a triangle has sides a, b, and c, and that a2 + b2 < c2. Let be the measure of the angle opposite the side of length c. Which of the following must be true? Check all that apply.

a) The...

In order to apply the law of cosines to find the measure of an interior angle, it is enough to know...?

A. The lengths of all three sides of the triangle.
B. The area of the triangle
C. At least...