Question

integral of x.sinx/1+(cosx)^2

Answer 1

Answer:

$x \times \frac{ \sin \: x }{1} + ( \cos \: x {})^{2} \\ = \sin( {x}^{2} ) + \: (cos {x})^{2} \\ = \sin( {x}^{2} ) + \: (1 - { \sin }^{2} ) ( {x})^{2} \\ = ( {x}^{2} ) + \: ( \sin - { \sin }^{2} {})^{} + 1$

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