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DLS
 one year ago
Best ResponseYou've already chosen the best response.0\[\large \tan^{1} \frac{ \sqrt{1+x^2}1}{x},x \neq 0\]

ParthKohli
 one year ago
Best ResponseYou've already chosen the best response.0Thanks for calling me, but I suck at trig :P

DLS
 one year ago
Best ResponseYou've already chosen the best response.0Hmm,nevermind tag someone better <3

ParthKohli
 one year ago
Best ResponseYou've already chosen the best response.0I have called the real master here.

ParthKohli
 one year ago
Best ResponseYou've already chosen the best response.0He has seen my FB message. Let's see when he's here.

ParthKohli
 one year ago
Best ResponseYou've already chosen the best response.0He says he's coming.

mathslover
 one year ago
Best ResponseYou've already chosen the best response.1Got to go , I am giving you a hint : \[\tan ^{1 } (\cfrac{\sqrt{1+x^2}  1}{\sqrt{1+x^21}})\]

DLS
 one year ago
Best ResponseYou've already chosen the best response.0\[\LARGE \tan^{1} \frac{\sec \theta1}{\tan \theta}=> \frac{1\cos \theta}{\sin \theta}\] used half angle formula and got it :

mathslover
 one year ago
Best ResponseYou've already chosen the best response.1Will this property help you?

DLS
 one year ago
Best ResponseYou've already chosen the best response.0@mathslover I just substituted x=tan theta

sauravshakya
 one year ago
Best ResponseYou've already chosen the best response.1multiply both numerator and denominator by root(1+x^2) +1

sauravshakya
 one year ago
Best ResponseYou've already chosen the best response.1Then use the property given by @mathslover

ParthKohli
 one year ago
Best ResponseYou've already chosen the best response.0I don't fit in this genius world.

DLS
 one year ago
Best ResponseYou've already chosen the best response.0but substitution method is better :P

sauravshakya
 one year ago
Best ResponseYou've already chosen the best response.1@ParthKohli may be because u r better than genius

mathslover
 one year ago
Best ResponseYou've already chosen the best response.1:P if you love substitution or you think it is better or simpler then go for it but do try the another method also. It would be beneficial for you.
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