Using de moivre’s theorem, express cos 6θ and sin 6θ in powers of cos θ and sin θ. do i have to use binomial expansion? ?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.