Given this pair of parametric equations and interval for t, x=t+sint, y=cos(2t), 0 ≤t ≤2 (A) write out the first derivative in simplified form. (B) at what values of t does the graph have a horizontal line? (C) what are the ordered pairs at the horizontal tangent lines?

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter6: Equations
Section6.4: Parametric Equations And Further Graphing
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Given this pair of parametric equations and interval for t, x=t+sint, y=cos(2t), 0 ≤t ≤2 (A) write out the first derivative in simplified form. (B) at what values of t does the graph have a horizontal line? (C) what are the ordered pairs at the horizontal tangent lines?
Given this pair of parametric equations and interval
for t,
X = t + sint , y = cos(2t), 0sts2 t
First, use a graphing app (such as Desmos.com) to
view the graph of this pair of parametric equations.
(Just view the graph; do not try to include it in your
answer.)
Second, answer the following:
a) Use the equation editor to write out the first
derivative in simplified form.
Horizontal Tangent Line
(b) At what values of t does the graph have a
horizontal tangent line?
(c) What are the ordered pairs at these horizontal
tangent lines?
Transcribed Image Text:Given this pair of parametric equations and interval for t, X = t + sint , y = cos(2t), 0sts2 t First, use a graphing app (such as Desmos.com) to view the graph of this pair of parametric equations. (Just view the graph; do not try to include it in your answer.) Second, answer the following: a) Use the equation editor to write out the first derivative in simplified form. Horizontal Tangent Line (b) At what values of t does the graph have a horizontal tangent line? (c) What are the ordered pairs at these horizontal tangent lines?
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