. Sir,here we have to prove 1-8sin^2x.cos^2x
But you have proved 1-8sin^2x.sin^2x??
Cbse maths class 11
Exercise 11.4 question 3
Yes
if a:b=c:d then show that ac(a+c):bd(b+d)=(a+c)3 :(b+d)3
. Sir,here we have to prove 1-8sin^2x.cos^2x
. Sir,here we have to prove 1-8sin^2x.cos^2x
