Homework Help: Calculus grade 12

Posted by Julie on Friday, April 20, 2012 at 2:58pm.

Determine the equation of the tangent line to the function f(x) = x + Sinx at x = pie

Calculus grade 12 - Damon, Friday, April 20, 2012 at 3:04pm
first find the slope at x = pi

dy/dx = 1 + cos x = 1+cos pi = 1-1 = 0
so the line is horizontal

at x = pi
y = pi + sin pi = pi + 0 = pi
so the equation of our line is
y = pi
Calculus grade 12 - Julie, Friday, April 20, 2012 at 3:09pm
Thank you Damon!

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