Find the reference angle for -782°
a.
152°
c.
28°
b.
62°
d.
118°

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Which of the following is the true for f(x) = 5cos

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick