1) sin^2A + cos^2A = 12) 1 + 1/2 + ROOT3 /2 = 3+root3 ~~~~~~~ 2 3) root3 + 1 = root3 + 1 ~~~~~ ~ ~~~~~~~ 2 2 24) 1 + root3/2 + 1/2 = 3+root3 ~~~~~~~ 2 5) 1 = root3 ~~~~~~ ~~~~~~ 2/root3 2
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