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Solve the problem [hlp]

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Arash63

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Hello;
What is the solution of following problem?

y=Arcsin(sinx) ===> y'=?
 

cheng

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Please, understand that this forum is not substitute for school or textbooks. Probably you misunderstood what this forum is all about
 

irfan1

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please try to solve your problems before bringing them to the the board. Even you google these, you will find enough resources. And this is not a "help my homework" board
 

hamidr_karami

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hi arash63

answer is cos(x)/(1-sin(x)^2)^(1/2)
 

pthoppay

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cos(x)/(1-sin(x)^2)^(1/2)=1

Prakash
 

tantoun2004

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Hi everyone,
Just a quick note :
The formula you put(cos(x)/(sqrt(1-sin^2(x)) can be simplified easily into 1
That's because y=arcsin(sin(x))=x
and hence y' =1
Regards
 

hamidr_karami

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hi tantoun2004
arcsin(sin(x))=x if -pi/2<x<pi/2
because sin(x) in -pi/2<X<pi/2 is one to one
hamid karami
 

papu

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cos(x)/(1-sin(x)^2)^(1/2)=1
 

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