Friday

April 18, 2014

April 18, 2014

Posted by **kwack** on Friday, August 20, 2010 at 8:58pm.

The equation of this tangent line can be written in the form y=mx+b where

m=

and b=

- math -
**bobpursley**, Friday, August 20, 2010 at 9:23pmy=5x cos x

y'=slope m= 5cosx-5xsinx at x=pi

y'=m=-5

line equation: y= -5x+b

now to find b, you know the point(PI,-5PI) is on it, so

-5pi--5PI+b so b=0

**Related Questions**

calculus - -find the equation of the tangent line to the curve y=5xcosx at the ...

math - Find the equation of the tangent line to the curve y=6tanx at the point (...

Calculus - Find the equation of the tangent line to the curve y=2sinx at the ...

Math please help! - Find the equation of the tangent line to the curve: 2(x^2+y^...

Math - Find the equation of the tangent line to the curve: 2(x^2+y^2)^2 = 25(x^2...

math calculus - Use implicit differentiation to find the equation of the tangent...

math - Use implicit differentiation to find the equation of the tangent line to ...

Calculus - If f(x)=(3x)/(1+x^2) find f′(4). Use this to find the equation ...

Calculus. I need help! - HARDER PARTS WAS 3(x^2+y^2)^2=26(y^2+y^2) Find the ...

COLLEGE CALCULUS. - Use implicit differentiation to find the equation of the ...