Evaluate:
Sin^2(60) -cos^2(30) tan^2(30)
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Step-by-step explanation:
sin^2(60) = 3/4 & sin^2(30)=1/4
=cos^2(30)×tan^2(30)
=cos^2(30)×sin^2(30)/cos^2(30)
=sin^2(30)
sin^2(60) - sin^2(30)
=3/4-1/4
=2/4
=1/2
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