Calculus help! pleasee :$
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Calculus help! pleasee :$

[From: ] [author: ] [Date: 11-09-04] [Hit: ]
Show all steps analytically.b.i mostly need help in letter A but B would be nice, please and thank you!(a.(b.......
Given: f(x) = sec x
a. Find the equation of the line tangent to the curve at x = pi/4 . Show all steps analytically.

b. Find f''(x)

i mostly need help in letter A but B would be nice, please and thank you!(:

-
f '(x) = sec(x)*tan(x)

(a.) slope of tangent line = f '(pi/4) = √2

Eqn of tangent line: y - √2 = √2*(x - pi/4)

(b.) f ''(x) = sec^3(x) + sec(x)*tan²(x)
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keywords: pleasee,help,Calculus,Calculus help! pleasee :$
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