dz dz as' at If z= xy - 2x+3y and X= cos s, y=sin t find dz =2 cos s +cos t sin s, as dz = sin s cos t- 3sin t at dz = cos s cos t+3cos t at dz 2sin s- sin t sin s, as az əz 2sin s- cos t cos s, as sin s sin t + 3 sin t at dz O dz = - 2cos t+ cos t sin s, ds - sin t cos s- 3 sin t at = -

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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dz dz
as' at
If z= xy - 2x+3y and X= cos s, y=sin t find
dz
=2 cos s +cos t sin s,
as
dz
= sin s cos t- 3sin t
at
dz
= cos s cos t+3cos t
at
dz
2sin s- sin t sin s,
as
az
əz
2sin s- cos t cos s,
as
sin s sin t + 3 sin t
at
dz
O dz
= - 2cos t+ cos t sin s,
ds
- sin t cos s- 3 sin t
at
= -
Transcribed Image Text:dz dz as' at If z= xy - 2x+3y and X= cos s, y=sin t find dz =2 cos s +cos t sin s, as dz = sin s cos t- 3sin t at dz = cos s cos t+3cos t at dz 2sin s- sin t sin s, as az əz 2sin s- cos t cos s, as sin s sin t + 3 sin t at dz O dz = - 2cos t+ cos t sin s, ds - sin t cos s- 3 sin t at = -
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