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Solve 2cosec2 45° + cot2 30°- sin2 60 |
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Answer» 2×(root2)^2+(root3)^2_(root 3/2)^22×2+3_3/47_3/4=28_3/4=25/4 ans. 2×(3½)²+(3½)²-(3½/2)² _______________________ 2×2+3-3/4=(28-3)/4=25/4 |
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