What is the common characteristic between the exponential functions f(x) = 10^x and f(x) = e^x in terms of their growth rates and their behavior as x increases or decreases?
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What is the limit of (sqrt(x) - x) / (sin(x) - x) as x approaches 0?
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What is the sine value of an angle in the unit circle if its reference angle is π/3 radians?