The formula for volume is base×height×width
Answer:
C) 
Step-by-step explanation:
By the cos double angle formula, we know
Substituting
into the formula, we get
.
The answer is C.
Answer:


✏ Degree is the highest value of the exponent in the polynomial. In this polynomial <u>2</u><u> </u><u>is </u><u>the </u><u>degree </u><u>of </u><u>the </u><u>polynomial</u><u>.</u>
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