izzyivantierney
izzyivantierney izzyivantierney
  • 18-11-2021
  • Mathematics
contestada

Eliminate the parameter, t, in the parametric equations, x = 2cos(t) and y = 2sin(t).

A) 4 x2 + 4 y2 = 4
B) x2 + y2 = 2
C) 2 x2 + 2 y2 = 4
D) x2 + y2 = 4

Respuesta :

Paounn
Paounn Paounn
  • 18-11-2021

Answer:

D: [tex]x^2+y^2 = 4[/tex]

Step-by-step explanation:

Square each one, and add them together. Then collect 4 from both.

[tex]x^2 = 4 cos^2t; y^2 = 4sin^2 t \\x^2 + y^2 = 4( cos^2t+sin^2t) \rightarrow x^2+y^2=4[/tex]

Answer Link

Otras preguntas

construct a difference table to predict the next term of the sequence -1,3,18,47,93,159,248
if f(x) = 3x+2, what is f(5) A. 17 B. 10 C. 1 D. 13
Assume that by continuing your education, you increased your yearly earning potential from $21,484 to $39,746. If the additional education costs $18,000, in abo
Speed is a complex skill that requires the communication of which systems to function? Select all that apply. skeletal system circulatory system respiratory sys
Quadrilateral ABCD is reflected across the x-axis and then reflect across the y-axis to form quadrilateral A′B′C′D′. If the coordinates of vertex A are (-7, 3),
All macromolecules are made mostly of the same six elements. What are those six elements?
An atom that undergoes radioactive decay and has a large nucleus most likely contains
Which of the following statements describes Newton's first law?
The initial velocity of a 4.0kg box is 11m/s due west. After the box slides 4.0m horizontally its speed is 1.5 m/s. Determine the magnitude and the direction of
1. What effect did the Vietnam War have on the power of the President?