Rotate the yellow dot to a location of π radians. After you rotate the angle, determine the value of cosπ, to the nearest hundredth.

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2

What are the triple angle formulas? is it related to double angle identities?