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I'm back with another question.
y = (1/ cos x) + (1 / sin x).
I have to find the coordinates of the point on this curve in the range 0 <_ x, <_ pi, where the gradient is zero.
I have found the derivative of the function.
dy/dx = (sin^3x - cos^3x) / (sin^2x cos^2x).
How do I proceed from here?
Thanks so much
a root which happens to be within your range.
plugging into the first equation
/* if this aint right, someone tell me where i went wrong? */
Last edited by luca-deltodesco (2006-09-20 09:22:28)
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Hi luca-deltodesco,
Yes, you are right.
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