Which of the following is a step in simplifying the expression x multiplied by y to the power of 3 over x to the power of negati
ve 4 multiplied by y to the power of 4, the whole to the power of negative 2.?
1 answer:
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First we are going to find the common denominator of both fractions. To do that, we are going to multiply their denominators:
Now we can rewrite our expression using the common denominator:
Finally, we can use the trig identities:
and 
to simplify our trig expression:
We can conclude that the correct answer is the fourth one.
Now we can rewrite our expression using the common denominator:
Finally, we can use the trig identities:
We can conclude that the correct answer is the fourth one.