Asked by Neo
Prov that 1-sin2X/sinX-cosX=sinX-cosX
Answers
Answered by
Steve
clear the fraction and recall that
sin^2+cos^2=1
sin 2x = 2 sinx cosx
and you're done
sin^2+cos^2=1
sin 2x = 2 sinx cosx
and you're done
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