Cos2x = __
Check all that apply.
A. sin2x - cos2x
B. 1-2 cos2x
C. 1-2 sinx
D. 2 cos2x-1

With finding limits of multi variable !

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.