Asked by Anna
what is the slope of the tangent to the graph of f(x)= ln [cos(x)] at x= pi/6 ???
Answers
Answered by
bobpursley
slope?
f'(x)= 1/cosx * -sinx
or -tanx what is -tan(PI/6) ?
f'(x)= 1/cosx * -sinx
or -tanx what is -tan(PI/6) ?
Answered by
Anna
thank you!
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