Colbyrye Colbyrye
  • 04-05-2018
  • Mathematics
contestada

eliminate the parameter,t, in the parametric equation, x=6cos t, and y =3 sin t

Respuesta :

11beehshahbaz 11beehshahbaz
  • 04-05-2018
x = 6 cos(t) 
y = 3 sin(t)

we can rewrite these equations as:

[tex] \frac{x}{6}=cost(t) \\ \\ \frac{y}{3} =sin(t) [/tex]

Taking squares of both equations we get:

[tex]( \frac{x}{6})^{2}=sin^{2} (t) \\ \\ ( \frac{y}{3})^{2}=cos^{2}(t) [/tex]

Adding both the equations, we get:

[tex] \frac{ x^{2} }{36}+ \frac{ x^{2} }{9}=sin^{2}(t)+cos^{2}(t) \\ \\ \frac{ x^{2} }{36}+ \frac{ x^{2} }{9}=1[/tex]
Answer Link

Otras preguntas

Table salt is the result of a(n) _____. covalent bond ionic bond hydrogen bond
true or false maps frequently include a grid system to pinpoint the location of a place
Which of the following contributes to strong imagery in a poem? A. rhythm B. repetition C. alliteration D. metaphor
A sequence is defined by the recursive formula f(n + 1) = 1.5f(n). Which sequence could be generated using the formula
Select all that apply. The body is supplied with oxygen by the _____. respiratory system circulatory system endocrine system excretory system digestive system
What did John Murray- Lord Dunmore do that was so important?
what is a ratio that compares a number to 100?
which expression factors to 8(x+2)
the teacher gave this pattern to the class; the first term is 5 and the rule is add 4, subtract 1. each student says one number. the first student says 5. victo
A city uses which method to decide where homes and business may be built? A. chartering B. zoning C. commissioning D. governing