Why do the parametric equations x(t)=-cos(t) and y(t)=2sin(2t) equal the cartesian equation (x^2)+(1/2)y=1?

it could be 1,3 and more others to create a cylinder.

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answer

you start with $5 and save $10 a week until you have at least $45wer

step-by-step explanation:

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: