Wednesday
June 19, 2013

Posts by Julie


Total # Posts: 850

Calculus grade 12
thank you Reiny

Calculus grade 12
differentiate the function a) y = cos³x b) y = Sin²xCos3x c) y = Sin (x³)

Calculus grade 12
a total of 8 meters of fencing are going to be used to fence in a rectangular cage for pets and divide it into three smaller cages **the photo that is shown with this question is three (3) boxes stuck together side by side horizontally*** determine the overall dimensions that ...

Calculus Grade 12 University
a total of 8 meters of fencing are going to be used to fence in a rectangular cage for pets and divide it into three smaller cages **the photo that is shown with this question is three (3) boxes stuck together side by side horizontally*** determine the overall dimensions that ...

Calculus grade 12
Thank you Reiny! The first question (1st one) your calculations for the 2nd x is wrong. x = x = π + .5236 = 3.665192654 and not 2.61799

Calculus grade 12
solve for (<_ = less than or equal to / pie = pie sign / -pie = negative pie) 3 sin²x = cos²x ; 0 <_ x < 2pie cos²x - sin²x = sinx ; -pie < x <_ pie

Calculus grade 12
Hey Reiny, I think b) is wrong. I got: b)y' = 2SinxCos3x + CosxCos3x * (-Sinx) y' = 2SinxCos3x - SinxCosxCos3x ... and I am not sure how to do c)

Calculus grade 12
differentiate the function ( a) y = cos³x b) y = Sin²xCos3x c) y = Sin (x³)

Calculus grade 12
a) determine the derivative of y = sin2x b) determine the derivative of y = 2SinxCosx c) shoe that derivatives in parts a) and b) are equal d) explain why derivatives in parts a) and be should be equal.

Calculus grade 12
find the coordinates of all points on the graph of f(x) = x + 2cos(x) in the interval [0, pie] at which the tangent line is horizontal.

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