Prove the following are identities using the definitions of the inverse trig functions and show all steps. Assume the relevant part of the cofunction theorem for part b, that is cot(theta)=tan(pi/2 - theta) for all angles theta with theta cannot equal npi for each integer n. a: sec^-1x=cos^-1 1/x b:cot^-1x= pi/2- tan^-1 x
Prove the following are identities using the definitions of the inverse trig functions and show all steps. Assume the relevant part of the cofunction theorem for part b, that is cot(theta)=tan(pi/2 - theta) for all angles theta with theta cannot equal npi for each integer n. a: sec^-1x=cos^-1 1/x b:cot^-1x= pi/2- tan^-1 x
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 89E
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Prove the following are identities using the definitions of the inverse trig
a: sec^-1x=cos^-1 1/x
b:cot^-1x= pi/2- tan^-1 x
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