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\frac{4}{3} \tan ^{2} 60^{\circ}+3 \cos ^{2} 30^{\circ}-2 \csc ^{2} 60^{\circ}-\frac{3}{4} \cot ^{2} 45^{\circ} |
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Answer» tan60*tan60 = 3 cos30*cos30 = 3/4 cosec60*cosec60 = 4/3 cot45*cot45 = 1 4/3 (3) + 3(3/4) - 2(4/3) - 3/4(1) = 4+9/4-8/3-3/4 = (48+27-32-9)/12 = 34/12 = 17/6 |
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