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[sin 75{}^circ =] ...
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If sin hetaĆ = frac{{ - 4}}{5} and heta lies in the third quadrant, then cos frac{ heta }{2} = ...
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A 5 molar solution of {H_2}S{O_4} is diluted from 1 litre to a volume of 10 litres, the normality of the solution will be: ...
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If initial velocity of the block is zero, its velocity at 4 seconds will be ...
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