the-curve-y-f-x-is-rotated-about-the-x-axis-to-form-solid-the-volume-of-this-solid-is-0-5pi-a-2sina-cosa-for-the-limit-of-0-x-a-find-the-value-of-a-

Question Number 116742 by Eric002 last updated on 06/Oct/20

t h e c u r v e y = f (x) i s r o t a t e d a b o u t t h e

x - a x i s t o f o r m s o l i d . t h e v o l u m e o f t h i s

s o l i d i s 0.5 π (a - 2 s i n a c o s a) f o r t h e l i m i t

o f 0 ⩽ x ⩽ a . f i n d t h e v a l u e o f a