kationchariel2lar kationchariel2lar

22-09-2016
Mathematics

Answered

can someone please show me where i went wrong in the following problem... use an appropriate local linear approximation to estimate the value of the given quantity. cos(31*)

Verified Answer :

stephen18 stephen18

22-09-2016

y = cos(x)
sqrt(3)/2 = cos(30º)

dy = -sin(x)dx
dy = -sin(30º)(pi/180) = (1/2)(pi/180)

y + dy = cos(x) - sin(x)dx
y + dy = sqrt(3)/2 - (1/2)(pi/180) = 0.8573

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