What is taylor ln(cos(x)),0 ?

The answer to taylor ln(cos(x)),0 is -1/2 x^2-1/12 x^4-1/45 x^6-17/2520 x^8-31/14175 x^{10}+\ldots

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taylor ln(cos(x)),0

taylor

ln (cos (x)), 0

- \frac{1}{2} x^{2} - \frac{1}{12} x^{4} - \frac{1}{45} x^{6} - \frac{17}{2520} x^{8} - \frac{31}{14175} x^{10} + \dots

Solution steps

Apply the Taylor Formula

= 0 + \frac{\frac{d}{d x} ( ln ( cos ( x ) ) ) ( 0 )}{1 !} x + \frac{\frac{d ^{2}}{d x ^{2}} ( ln ( cos ( x ) ) ) ( 0 )}{2 !} x^{2} + \frac{\frac{d ^{3}}{d x ^{3}} ( ln ( cos ( x ) ) ) ( 0 )}{3 !} x^{3} + \dots

Evaluate Derivatives

= 0 + \frac{0}{1 !} x + \frac{- 1}{2 !} x^{2} + \frac{0}{3 !} x^{3} + \frac{- 2}{4 !} x^{4} + \frac{0}{5 !} x^{5} + \frac{- 16}{6 !} x^{6} + \frac{0}{7 !} x^{7} + \frac{- 272}{8 !} x^{8} + \frac{0}{9 !} x^{9} + \frac{- 7936}{10 !} x^{10} + \dots

Refine

= - \frac{1}{2} x^{2} - \frac{1}{12} x^{4} - \frac{1}{45} x^{6} - \frac{17}{2520} x^{8} - \frac{31}{14175} x^{10} + \dots

\frac{d}{d x} (\frac{9}{x ^{2} + 5})

\frac{d}{d x} ((x + 5)^{\frac{2}{3}})

\frac{d y}{d x} = (x + y - 2)^{2}

y = \frac{C}{x}

\int (\frac{1}{x} - \frac{2}{x ^{2}} + \frac{5}{x ^{3}}) d x

What is taylor ln(cos(x)),0 ?
The answer to taylor ln(cos(x)),0 is -1/2 x^2-1/12 x^4-1/45 x^6-17/2520 x^8-31/14175 x^{10}+\ldots