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Popular >

taylor sin(2x), pi/2

Solution

taylor

sin (2 x), \frac{π}{2}

Solution

- 2 (x - \frac{π}{2}) + \frac{4}{3} (x - \frac{π}{2})^{3} - \frac{4}{15} (x - \frac{π}{2})^{5} + \frac{8}{315} (x - \frac{π}{2})^{7} - \frac{4}{2835} (x - \frac{π}{2})^{9} + \dots

Solution steps

Apply the Taylor Formula

= 0 + \frac{\frac{d}{d x} ( sin ( 2 x ) ) ( \frac{π}{2} )}{1 !} (x - \frac{π}{2}) + \frac{\frac{d ^{2}}{d x ^{2}} ( sin ( 2 x ) ) ( \frac{π}{2} )}{2 !} (x - \frac{π}{2})^{2} + \frac{\frac{d ^{3}}{d x ^{3}} ( sin ( 2 x ) ) ( \frac{π}{2} )}{3 !} (x - \frac{π}{2})^{3} + \dots

Evaluate Derivatives

= 0 + \frac{- 2}{1 !} (x - \frac{π}{2}) + \frac{0}{2 !} (x - \frac{π}{2})^{2} + \frac{8}{3 !} (x - \frac{π}{2})^{3} + \frac{0}{4 !} (x - \frac{π}{2})^{4} + \frac{- 32}{5 !} (x - \frac{π}{2})^{5} + \frac{0}{6 !} (x - \frac{π}{2})^{6} + \frac{128}{7 !} (x - \frac{π}{2})^{7} + \frac{0}{8 !} (x - \frac{π}{2})^{8} + \frac{- 512}{9 !} (x - \frac{π}{2})^{9} + \dots

Refine

= - 2 (x - \frac{π}{2}) + \frac{4}{3} (x - \frac{π}{2})^{3} - \frac{4}{15} (x - \frac{π}{2})^{5} + \frac{8}{315} (x - \frac{π}{2})^{7} - \frac{4}{2835} (x - \frac{π}{2})^{9} + \dots

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