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Evaluate the following:
1. \(sin \ 60^{\circ} \ cos \ 30^{\circ} + sin \ 30^{\circ} \ cos \ 60^{\circ} =\)
2. \(2 \ tan^2 \ 45^{\circ} + cos^2 \ 30^{\circ} - sin^2 \ 60^{\circ} =\)
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