Raymond B. answered • 10/06/21
Tutor
5
(2)
Math, microeconomics or criminal justice
sqr(1-cosx) times sqr(1+cosx)
= sqr((1-cosx)(1+cosx))
= sqr(1-cos^2(x))
= sqr(sin^2(x))
= sin(x)
Henry D.
asked • 10/06/21What is √1-cosx times √1+cosx
What is √1-cosa ×√1+cosa
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Henry D.
Thank you10/08/21