Math Question: For the constant function f(x) = c, if f(2) = 7 and f(5) = 7, what is the value of c?
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What is the derivative of sin²(x)cos(2x) using chain rule?
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Question: In a right triangle, if the length of the hypotenuse is 10 units and the adjacent side measures 8 units, find the measure of the acute angle.