6 Replies
@Moderator bot dead.
woops
@Apu
i just realised i could
2-sin^2x = 1+cos^2x
cos2x=t and then much easier to solve
however my ans still doesnt match the book
First line will be 1-1/2 no?
Accha third line is good okay
can you try t = tan u
Same as the other one.
Sin u = t/rt (1+t2)
cos u = 1/rt (1+t2)
this gives 2t/1+t^4 dt
@SirLancelotDuLac inputs
also , i discovered my ans is correct . sirf constant ka diff hai
