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How do you simplify sec^2x (1-sin^2x)?
Hello world!
May 27, 2020CRITICAL THINKING ABOUT THE BIBLE
January 5, 20211
From trig identities ##sin^2x+cos^2x=1##
##therefore 1-sin^2x=cos^2x##
##therefore sec^2x(1-sin^2x)=sec^2x*cos^2x##
##=1/(cos^2x)*cos^2x##
##=1##
