Find a function f such that f'''(x)=\frac{1}{\sqrt{1+\sin^{2]x}}. (This problem is supposed to be easy; don't misinterpret the word "find".)

Math Word Problem
asked 2021-06-25
Find a function f such that \(\displaystyle{f}{'''}{\left({x}\right)}={\frac{{{1}}}{{\sqrt{{{1}+{{\sin}^{{{2}}}{x}}}}}}}\). (This problem is supposed to be easy; don't misinterpret the word "find".)

Answers (1)

If \(\displaystyle{f}'{\left({x}\right)}={g{{\left({x}\right)}}}\ {t}{h}{e}{n}\ {f{{\left({x}\right)}}}=\int{g{{\left({x}\right)}}}{\left.{d}{x}\right.}\)
The above equation, can be written as:
Now, from (1) we get
Best answer

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