(d) the equation of the line tangent to the curve at the point where (i) t =, and (ii) t = . = 17

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Answer letter D only.
Let C be a curve that is defined by x = 4 sin t and y = cos t, t e [0, 27). Determine
(a) the time intervals on which the curve is (i) increasing, and (ii) decreasing;
(b) the time intervals on which the graph is (i) concave upward, and (ii) concave downward;
(c) (i) the cartesian points (x, y) of the curve where horizontal tangent lines exist, and (ii) the cartesian
points (x, y) of the curve where vertical tangent lines exist;
11T
(d) the equation of the line tangent to the curve at the point where (i) t =
, and (ii) t =
CS
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Transcribed Image Text:Let C be a curve that is defined by x = 4 sin t and y = cos t, t e [0, 27). Determine (a) the time intervals on which the curve is (i) increasing, and (ii) decreasing; (b) the time intervals on which the graph is (i) concave upward, and (ii) concave downward; (c) (i) the cartesian points (x, y) of the curve where horizontal tangent lines exist, and (ii) the cartesian points (x, y) of the curve where vertical tangent lines exist; 11T (d) the equation of the line tangent to the curve at the point where (i) t = , and (ii) t = CS Scanned with CamScarner
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