Show that cos(x) >1 – x²

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.7: Inverse Functions
Problem 6SE: Show that the function fx)=ax is its own inverse for all real numbers a.
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using mean value theorem

Show that
cos(x) > 1 – a2
for all x E [0; 1]
Transcribed Image Text:Show that cos(x) > 1 – a2 for all x E [0; 1]
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