25 Replies
@Apu
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.Main approach for these is that to calculate I(n) first, then put values of n
I calculated I10-I9
Uske baad kya karun
What did you get for In-I(n+1)?
Sin(2n@-@)/sin@ ka integral
@SirLancelotDuLac
@Real potato @hardcoreisdead
Aage kya karu
mera bhi yahi doubt ha
Standard reduction of sin(n*theta)/sin(theta)?
Aah shit
yeh kaunsa aa gya ab
@SirLancelotDuLac
Reduce to aise hi krte ha
But problem ye ha ki answer 5pi ha
*More readable ig
Mene integration glt krdi kya
Vo neeche kya likha ha, where your answer written is pi?
The value of sin^2(n.theta)/sin^2(theta) thingy is n*pi/2
As a generalization
walli's theorm ?
Nah, that's for sin^a.cos^b kinda thing right?
Oh yea i got it now
oh yes
got it
Yea walli is diff
its standard
reduction formula
Yesyes
I hate that reduction formula
+solved @SirLancelotDuLac
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