tan 0 - 1 lim 8/4 4

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 67E
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Find the limits 

tan 0 - 1
lim
8/4
4
Transcribed Image Text:tan 0 - 1 lim 8/4 4
Expert Solution
Step 1

Recall

Calculus homework question answer, step 1, image 1

 

Step 2

Set A = θ and B = π/4 in the second equation to get,

tan(θ - π/4) = (tanθ - tanπ/4)/(1 + tanθtanπ/4) = (tanθ - 1)/(1 + tanθ)

Hence, (tanθ - 1) = tan(θ - π/4) x (1 + tanθ) 

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