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1. Find a rectangular equation for the following curve and describe the curve. D

ID: 3015747 • Letter: 1

Question

1. Find a rectangular equation for the following curve and describe the curve. Do not use a calculator.

2. Use a graphing calculator to graph the parametric equations. Then find the equivalent rectangular equation.

Find a rectangular equation for the following curve and describe the curve. Do not use a calculator x 3 cos t, y E 3 Sin t: for t in 0 What is the rectangular equation for the given curve? Describe the curve. Choose the correct answer below. O A. hyperbola (upper branch) CO B. ne segment O C. circle with radius 3 O D. ellipse

Explanation / Answer

x=3cos2t , y= 3sin2t

x+y=3(cos2t + sin2t)=3

x+y=3

y=3-x

It represents a line