Friday

August 22, 2014

August 22, 2014

Posted by **Anonymous** on Monday, October 1, 2012 at 12:45am.

f(x) = x − 2 sin x

- calculus -
**Steve**, Monday, October 1, 2012 at 5:02amhorizontal tangent means slope = 0

f'(x) = 1 - 2cosx

1-2cosx=0

cosx = 1/2

x = 2kpi +/- pi/3

**Related Questions**

calculus - Find the points on the curve below at which the tangent is horizontal...

calculus - Find the x-coordinates of all points on the curve f(x) = sin 2x &#...

GED MATH - You are given an equation of the form y = ax2 + bx + c. y = 4x2 + 2x...

calculus - For what values of r does the function y = erx satisfy the ...

Trig - Solve the multiple-angle equation. (Enter your answers as a comma-...

calculus - Determine the value(s) of x where the function will have an ...

calculus - Let f(x) = (x − 3)−2. Find all values of c in (2, 5) such...

math - {Positive multiples of 4} (Enter your answers as a comma-separated list. ...

Math - The graph of f is shown. Apply Rolle's Theorem and find all values of c ...

Math - The graph of f is shown. Apply Rolle's Theorem and find all values of c ...