Which function is even? check all that apply a. y = csc x
b. y = sin x
c. y = sec x
d. y = cos x

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day

Hello, i need compare km^2 and km. what's difference in this?

Given that δabc is similar to δdef, which is a possible trigonometric ratio for ∠d? a) tan d = 24 30 b) tan d = 30 24 c) tan d = 18 24 d) tan d = 24 18