SOLUTION: please find the slope of the tangent to the curve by y=cos x at x= pi/2 could you please show working. thank you.

SOLUTION: please find the slope of the tangent to the curve by y=cos x at x= pi/2 could you please show working. thank you.

Algebra.Com

Question 330105: please find the slope of the tangent to the curve by y=cos x at x= pi/2
could you please show working. thank you.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The slope of the tangent is equal to the value of the derivative of cos(x) at that point.

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