V 3 (d) r(1/6 + At) - r(n/6) = 3 COS At sin At cos At + SV3 sin At it

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Additional Topics In Trigonometry
Section3.3: Vectors In The Plane
Problem 84E
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My answer in Letter D is incorrect, please correct it

-cos At-sin
Evaluate the vector-valued function at each given value of t. (If an answer does not exist, enter DNE.)
r(t) = cos(t)i + 3 sin(t)j
(a) r(0) =i
3
(b) r(n/4) =
%3D
V2
v2
(c) r(e - m) =-cos(0)i -3 sin (0)j
cos(0)i-3 sin(0)j
%3D
V3
Cos At
2
1
sin At
V3
i+
3V 3
cos At +
2
3
sin At
2
(d) r(1/6 + At) - r(1/6)%3D
Transcribed Image Text:-cos At-sin Evaluate the vector-valued function at each given value of t. (If an answer does not exist, enter DNE.) r(t) = cos(t)i + 3 sin(t)j (a) r(0) =i 3 (b) r(n/4) = %3D V2 v2 (c) r(e - m) =-cos(0)i -3 sin (0)j cos(0)i-3 sin(0)j %3D V3 Cos At 2 1 sin At V3 i+ 3V 3 cos At + 2 3 sin At 2 (d) r(1/6 + At) - r(1/6)%3D
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