CALCULUS:GRAPHICAL,...,AP ED.-W/ACCESS
CALCULUS:GRAPHICAL,...,AP ED.-W/ACCESS
6th Edition
ISBN: 9781418300227
Author: Finney
Publisher: SAVVAS L
Question
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Chapter 0.4, Problem 1E
To determine

To match: the parametric equation x=3sin2t , y=1.5cost with their graph. Also state the approximate dimension of the viewing window and given a parameter interval that traces the curve exactly once.

Expert Solution & Answer
Check Mark

Answer to Problem 1E

The graph of the given parametric equation is the graph (c).

The viewing window is: 4,4 by 3,3

The parameter interval is: 0t2π

Explanation of Solution

Given information:

The given graphs are:

  CALCULUS:GRAPHICAL,...,AP ED.-W/ACCESS, Chapter 0.4, Problem 1E , additional homework tip  1

Formula Used:

  sin0=0

  cos0=1

Period of sin2x=π

Period of cosx=2π

Consider the given parametric equation,

  x=3sin2t , y=1.5cost

Substitute t=0, then the corresponding values of x and y are:

  x=3sin20=3sin0=0

  y=1.5cos0=1.51=1.5

This implies that the graph of this parametric equation must contain the point 0,1.5 . This eliminates the choices (a), (b) and (d).

So, the correct answer is graph (c).

  CALCULUS:GRAPHICAL,...,AP ED.-W/ACCESS, Chapter 0.4, Problem 1E , additional homework tip  2

Now, on observing the graph (c), it can be noticed that the point 0,1.5 lie almost in the mid of the first and the second mark on the positive y-axis. So, it can be implied that each mark denotes 1 unit. So, the viewing window is 4,4 by 3,3 .

Now, it can also be observed that this graph is a closed curve in the window. This is possible when the parameter of t is such that gives one full cycle for both x and y .

Now, the period of 3sin2t is π and the period of 1.5cost is 2π .

Thus, for the parameter t to be able to complete one full cycle it must lie between 0 and 2π .

That is, 0t2π

Chapter 0 Solutions

CALCULUS:GRAPHICAL,...,AP ED.-W/ACCESS

Ch. 0.1 - Prob. 1ECh. 0.1 - Prob. 2ECh. 0.1 - Prob. 3ECh. 0.1 - Prob. 4ECh. 0.1 - Prob. 5ECh. 0.1 - Prob. 6ECh. 0.1 - Prob. 7ECh. 0.1 - Prob. 8ECh. 0.1 - Prob. 9ECh. 0.1 - Prob. 10ECh. 0.1 - Prob. 11ECh. 0.1 - Prob. 12ECh. 0.1 - Prob. 13ECh. 0.1 - Prob. 14ECh. 0.1 - Prob. 15ECh. 0.1 - Prob. 16ECh. 0.1 - Prob. 17ECh. 0.1 - Prob. 18ECh. 0.1 - Prob. 19ECh. 0.1 - Prob. 20ECh. 0.1 - Prob. 21ECh. 0.1 - Prob. 22ECh. 0.1 - Prob. 23ECh. 0.1 - Prob. 24ECh. 0.1 - Prob. 25ECh. 0.1 - Prob. 26ECh. 0.1 - Prob. 27ECh. 0.1 - Prob. 28ECh. 0.1 - Prob. 29ECh. 0.1 - Prob. 30ECh. 0.1 - Prob. 31ECh. 0.1 - Prob. 32ECh. 0.1 - Prob. 33ECh. 0.1 - Prob. 34ECh. 0.1 - Prob. 35ECh. 0.1 - Prob. 36ECh. 0.1 - Prob. 37ECh. 0.1 - Prob. 38ECh. 0.1 - Prob. 39ECh. 0.1 - Prob. 40ECh. 0.1 - Prob. 41ECh. 0.1 - Prob. 42ECh. 0.1 - Prob. 43ECh. 0.1 - Prob. 44ECh. 0.1 - Prob. 45ECh. 0.1 - Prob. 46ECh. 0.1 - Prob. 47ECh. 0.1 - Prob. 48ECh. 0.1 - Prob. 49ECh. 0.1 - Prob. 50ECh. 0.1 - Prob. 51ECh. 0.1 - Prob. 52ECh. 0.1 - Prob. 53ECh. 0.1 - 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Prob. 30ECh. 0.6 - Prob. 31ECh. 0.6 - Prob. 32ECh. 0.6 - Prob. 33ECh. 0.6 - Prob. 34ECh. 0.6 - Prob. 35ECh. 0.6 - Prob. 36ECh. 0.6 - Prob. 37ECh. 0.6 - Prob. 38ECh. 0.6 - Prob. 39ECh. 0.6 - Prob. 40ECh. 0.6 - Prob. 41ECh. 0.6 - Prob. 42ECh. 0.6 - Prob. 43ECh. 0.6 - Prob. 44ECh. 0.6 - Prob. 45ECh. 0.6 - Prob. 46ECh. 0.6 - Prob. 47ECh. 0.6 - Prob. 48ECh. 0.6 - Prob. 49ECh. 0.6 - Prob. 50ECh. 0.6 - Prob. 51ECh. 0.6 - Prob. 52ECh. 0.6 - Prob. 53ECh. 0.6 - Prob. 54ECh. 0.6 - Prob. 55ECh. 0.6 - Prob. 56ECh. 0.6 - Prob. 57ECh. 0.6 - Prob. 58ECh. 0.6 - Prob. 59ECh. 0.6 - Prob. 60ECh. 0.6 - Prob. 61ECh. 0.6 - Prob. 62ECh. 0.6 - Prob. 1QQCh. 0.6 - Prob. 2QQCh. 0.6 - Prob. 3QQCh. 0.6 - Prob. 4QQCh. 0 - Prob. 1RWDTCh. 0 - Prob. 2RWDTCh. 0 - Prob. 3RWDTCh. 0 - Prob. 4RWDTCh. 0 - Prob. 5RWDTCh. 0 - Prob. 6RWDTCh. 0 - Prob. 7RWDTCh. 0 - Prob. 8RWDTCh. 0 - Prob. 9RWDTCh. 0 - Prob. 10RWDTCh. 0 - Prob. 1RECh. 0 - Prob. 2RECh. 0 - Prob. 3RECh. 0 - Prob. 4RECh. 0 - Prob. 5RECh. 0 - Prob. 6RECh. 0 - Prob. 7RECh. 0 - Prob. 8RECh. 0 - Prob. 9RECh. 0 - Prob. 10RECh. 0 - Prob. 11RECh. 0 - Prob. 12RECh. 0 - Prob. 13RECh. 0 - Prob. 14RECh. 0 - Prob. 15RECh. 0 - Prob. 16RECh. 0 - Prob. 17RECh. 0 - Prob. 18RECh. 0 - Prob. 19RECh. 0 - Prob. 20RECh. 0 - Prob. 21RECh. 0 - Prob. 22RECh. 0 - Prob. 23RECh. 0 - Prob. 24RECh. 0 - Prob. 25RECh. 0 - Prob. 26RECh. 0 - Prob. 27RECh. 0 - Prob. 28RECh. 0 - Prob. 29RECh. 0 - Prob. 30RECh. 0 - Prob. 31RECh. 0 - Prob. 32RECh. 0 - Prob. 33RECh. 0 - Prob. 34RECh. 0 - Prob. 35RECh. 0 - Prob. 36RECh. 0 - Prob. 37RECh. 0 - Prob. 38RECh. 0 - Prob. 39RECh. 0 - Prob. 40RECh. 0 - Prob. 41RECh. 0 - Prob. 42RECh. 0 - Prob. 43RECh. 0 - Prob. 44RECh. 0 - Prob. 45RECh. 0 - Prob. 46RECh. 0 - Prob. 47RECh. 0 - Prob. 48RECh. 0 - Prob. 49RECh. 0 - Prob. 50RECh. 0 - Prob. 51RECh. 0 - Prob. 52RECh. 0 - Prob. 53RECh. 0 - Prob. 54RECh. 0 - Prob. 55RECh. 0 - Prob. 56RECh. 0 - Prob. 57RECh. 0 - Prob. 58RECh. 0 - Prob. 59RECh. 0 - Prob. 60RECh. 0 - Prob. 61RECh. 0 - Prob. 62RECh. 0 - Prob. 63RECh. 0 - 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