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Find all values of x on the interval [0,2pi] where the lines tangent to the graph of

0 votes

f(x)= sin(x)-((cosx)^2) are horizontal.

equation-of-a-tangent-line
graph-of-the-tangent-line

asked Feb 27, 2014 in CALCULUS by harvy0496 Apprentice

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1 Answer

0 votes

The expression is .

Differentiating above equation.

When the tangent line is horizontal, the slope is equal to 0.

That means you want to solve for .

Therefore, x values on the interval .

answered Apr 23, 2014 by ashokavf Scholar

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