(a)
To calculate: The points at which the tangent line to the curve is horizontal.
(a)
Answer to Problem 26E
The required points are
Explanation of Solution
Given information:
The parametric equations:
Calculation:
The parametric equations are
Differentiate the above equations with respect to t .
And,
Now,
Also,
To find the point at which the tangent line to the curve is horizontal, use the expression
So,
At
And, at
Hence, the required points are
(b)
To calculate: The points at which the tangent line to the curve is vertical.
(b)
Answer to Problem 26E
The required points are
Explanation of Solution
Given information:
The parametric equations:
Calculation:
The parametric equations are
Differentiate the above equations with respect to t .
And,
Now,
Also,
To find the point at which the tangent line to the curve is horizontal, use the expression
So,
At
And, at
Hence, the required points are
Chapter 11 Solutions
Calculus 2012 Student Edition (by Finney/Demana/Waits/Kennedy)
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