Cos(2 cos−1 x)+ 3cos(cos−1 x)− 4 = 0

i need more information

step-by-step explanation:

for this case we have that by definition, the volume of a cylinder is given by:

where:

r: it's the radio

h: it's the height

we have as data that:

substituting:

so, the cylinder volume is

option d

my apex says that it is false