E etidd New member Joined Mar 28, 2010 Messages 3 Mar 28, 2010 #1 hello, this is the second one i'm stumped on. f(x) = inv. sin x - 2x f '(x) = 1/(sqrt.(1 + x^2)) - 2 now i don't know what to do. the back of the book said the answer is +/- sqrt.(3)/2 how can you do this?
hello, this is the second one i'm stumped on. f(x) = inv. sin x - 2x f '(x) = 1/(sqrt.(1 + x^2)) - 2 now i don't know what to do. the back of the book said the answer is +/- sqrt.(3)/2 how can you do this?
D Deleted member 4993 Guest Mar 28, 2010 #2 etidd said: hello, this is the second one i'm stumped on. f(x) = inv. sin x - 2x f '(x) = 1/(sqrt.(1 + x^2)) - 2 now i don't know what to do. the back of the book said the answer is +/- sqrt.(3)/2 how can you do this? Click to expand... Refer to your earlier post.
etidd said: hello, this is the second one i'm stumped on. f(x) = inv. sin x - 2x f '(x) = 1/(sqrt.(1 + x^2)) - 2 now i don't know what to do. the back of the book said the answer is +/- sqrt.(3)/2 how can you do this? Click to expand... Refer to your earlier post.
