If you don't know the derivative of the inverse of sine, you can use implicit differentiation. Apply sine to both sides:
(true for <em>y</em> between -π/2 and π/2)
Now take the derivative of both sides and solve for it:
Emily has 27 Barbie dolls. She put equal number of dolls in each of 5 boxes. How many dolls are left over?
1 answer:
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