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| 1. |
\frac{\sin 30^{\circ}+\tan 45^{\circ}-\cos e c 60^{\circ}}{\sec 30^{\circ}+\cos 60^{\circ}+\cot 45^{\circ}} |
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Answer» =>(1/2+1-2/√3)/(2/√3+1/2+1) =>(3/2-2/√3)/(3/2+2/√3) =>(3√3-4)/(3√3+4) =>(3√3-4)^2/(27-16) =>(27+16-24√3)/11 =>(43-24√3)/11 |
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