Answer:

Step-by-step explanation:
<em>First, multiply by exponent rule.</em>
<em>
</em>
<em>
</em>
<em>Then, multiply by the numbers from left to right.</em>
<em>
</em>
<em>
, </em><em>is the correct answer. </em>
Answer:
sin⁴x - sin²x
sin²x(sin²x - 1)
(1 - cos²x)(1 - cos²x - 1)
(1 - cos²x)(-cos²x)
-cos²x + cos⁴x
cos⁴x - cos²x
We can do like we did before, distribute the denominator,