21 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.What is your approach???
Isko start kaise kiya
Kyunki mera to kuch aisa ban raha hai
Inverse function to katayi nahi aa raha hai
haan mera bhi yahi bana
ab option dekhke inverse decode karna aukha horkha thoda
Kuch aisa identity ya rule hota hai ki ham kisi function ko inverse mei likh sake ???
Varna ye question mei isko change kaise karenge
hmm aisa to kuch nahi hota, only way i can think of inverse is substitution
but vo yaha to kuch karegi nahi
@Opt
Half angle formula
Yea i did
2cos²(x/2)-1
Got it simplified
Now problem is at the inverse part
You get
$$\sqrt{2}\int\lvert cos(\frac{x}{2})\rvert dx$$
Opt
Right?
Yep
Ok, now just check the options.
How to check A option
diffrentiate
+solved @Real potato
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