`f'''(x) = cos(x), f(0) = 1, f'(0) = 2, f''(0) = 3` Find `f`.
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gsarora17
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`f'''(x)=cos(x)`
`f''(x)=intcos(x)dx`
`f''(x)=sin(x)+C_1`
Now let's find C_1 , given f''(0)=3
`f''(0)=3=sin(0)+C_1`
`3=0+C_1`
`C_1=3`
`:.f''(x)=sin(x)+3`
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