Lim h--> 0

(sin (pi/6+h) - sin pi/6)/ h

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Note that expression implies the derivative of sin(x) where x = π/6. We know that the derivative of sin(x) is cos(x). Therefore, cos(π/6) = √(3)/2. 

The answer is C $2 because 25% of $8 is $2. $2 X 3 = 75% or $6. 2% is left so $2 is the answer.