Complete the identity. cos?을-1 ? sece-1 2 sece -зес е-1 2 sece sece+1 2 sece O -sece+1 2 sece

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
Chapter4: Polynomials
Section4.6: Multiplying Polynomials
Problem 13OE
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Complete the identity.

cos^2 theta/2 = ?

Complete the identity.
Cos
sece-1
2 sece
-sece-1
2 sece
sece+1
2 sece
-sece+1
2 sece
Transcribed Image Text:Complete the identity. Cos sece-1 2 sece -sece-1 2 sece sece+1 2 sece -sece+1 2 sece
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