Math question: In a right triangle, if one of the acute angles measures 35 degrees and the length of the hypotenuse is 10 units, what is the length of the side opposite to the angle?
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What is the value of arcsin(0.5) - arctan(√3) + arccos(-0.5) - arccot(1)?
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Math question: How many ways can a committee of 4 be formed from a group of 10 people?