Madeline is hosting a lemonade stand. sarah, lana , kavita, catherine, and ella want to participate to. if they make $40.00 every hour for 3 hours, how much will they each get? 50 points!

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me