Am i doing these right?(adsbygoogle = window.adsbygoogle || []).push({});

lim x->0 (1-cosx) all over x

=(1-cosx/x)(1+cosx/1+cosx)

=(1-cos^2x)/x(1+cosx)

=(sin^2x)/x(1+cosx)

=x(sin^2x)/xx(1+cosx)

=0/2

=0

are my steps right?

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# Homework Help: Cosx math problem

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