Express cos6mcos2m as a sum or difference. (1/2)cos4 m - (1/2)cos8 m
(1/2)cos8 m - (1/2)cos4 m
(1/2)cos4 m + (1/2)cos8 m
(1/2)cos4 m + (1/2)cos2 m

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

Sorry guys but as you have a small brain

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale