Evaluate 2sin^2 30° tan 60°-3cos^2 60°sec^2 30°

1.	Evaluate 2sin^2 30° tan 60°-3cos^2 60°sec^2 30°
Answer» sin 30°=1/2=>sin^2 30°=1/4cos 45°=1/root 2=>cos^2 45°=1/2tan 60°=root 3=>tan ^2 60°=3So, 2 sin ^2 30°-3cos^2 45° +tan^2 60°=>2(1/4)-3(1/2)+3=>1/2-3/2+3=>(1-3+6)/2=>4/2=>2

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