SOLUTION: If cos beta = 0.6, find without using tables, the value of a) sin beta b) 1- cos^2 beta

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Question 672541: If cos beta = 0.6, find without using tables, the value of a) sin beta b) 1- cos^2 beta
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
If cos beta = 0.6, find without using tables, the value of a) sin beta b) 1- cos^2 beta
--------------
b) 1- cos^2 beta
= 0.64
= sin^2
================
a) sin beta
= 0.8 (or -0.8 in some quadrants)

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