Find an equation for the line tangent to the curve at the point defined by the given value of t. Also, find the value of x=sec²t-1, y = cos t;t= Write the equation of the tangent line. y=x+ (Type exact answers, using radicals as needed.) d²y What is the value of - at this point? 2.0 (Type an exact answer, using radicals as needed.) at this point.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 43E
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Find an equation for the line tangent to the curve at the point defined by the given value of t. Also, find the value of
I
x = sect-1, y = cos t; t = 7 4
Write the equation of the tangent line.
y=x+
(Type exact answers, using radicals as needed.)
d²y
What is the value of at this point?
dx
d²y
dx²
(Type an exact answer, using radicals as needed.)
at this point.
Transcribed Image Text:Find an equation for the line tangent to the curve at the point defined by the given value of t. Also, find the value of I x = sect-1, y = cos t; t = 7 4 Write the equation of the tangent line. y=x+ (Type exact answers, using radicals as needed.) d²y What is the value of at this point? dx d²y dx² (Type an exact answer, using radicals as needed.) at this point.
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