CALCULUS:GRAPHICAL,NUMERICAL,..-PACKAGE
5th Edition
ISBN: 9780133320381
Author: Finney
Publisher: SAVVAS L
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Find the equation of the tangent line to the curve y = 6 sec z – 12 cos a at the point (, 6).
equation of this tangent line can be written in the form y = mx + b where m is:
The
and where b is:
5) Determine the slope of the tangent line to the function with the given information:
a. f(x, y) = sin(xy) in the direction 2î - 3ĵ, at the point (, -1).
b. f(x, y) =
3+x²
y²
going directly away from the origin, at the point (4,−1).
c. f(x, y) = -6x + 2y + 3 in the direction 30° counter-clockwise from the
negative y-axis, at the point (-2,2).
d. f(x, y) = x³y² + √3x − y in the direction toward (0,5), at the point (3, 1).
Consider the curve defined by
r(t) = (cos(t) + t sin(t))i + (sin(t) - t cos(t))j
for t > 0.
(a) Compute the derivative (t) of the curve above. Simplify your answer.
(b) Use the result above to compute (t). The Pythagorean identity cos² (t) + sin² (t) = 1 will be
helpful here. Also, we are assuming t> 0 for convenience.
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(c) Use the result above to find the arc length of F(t) for ≤ t ≤ ñ.
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