Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.2: Addition On A Number Line
Problem 35WE
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In the
Transcribed Image Text:x²- a².
Transcribed Image Text:(A
(sec?x – 1) =tan²x
B
- (1+cos 2x) =cos?x
- cos 2x) = sin²x
(1– sin²x) =cos?x
= cos
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