Inverse Trig (1 Viewer)

[coyney]

Hey can someone please help me with part b, cheers.

 

[braintic]

y=1/sqrt(1-x^2)

sqrt(1-x^2) = 1/y

1-x^2 = 1/y^2

x^2 = 1 - 1/y^2

V = pi times integral (1 - 1/y^2) dy

which you should be able to finish after changing the limits to y-values.