Explain your reasoning and include the equation you used to set up and solve this. !

Sketch one cycle if the cosine function y=2cos2theta

Find cot x if sin x cot x csc x = √2

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.