4. Determine the equation of the tangent line at the indicated point a) y = cos x at x = 7 b) y = tanh x at x = -1

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter9: Real Numbers And Right Triangles
Section9.7: The Tangent Ration
Problem 14E
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4. Determine the equation of the tangent line at the indicated point
a) y = cos x
at x= T
b) y = tanh x
at x =-1
Transcribed Image Text:4. Determine the equation of the tangent line at the indicated point a) y = cos x at x= T b) y = tanh x at x =-1
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