Do some definite integral calculation.

*To*: mathgroup at smc.vnet.net*Subject*: [mg99393] Do some definite integral calculation.*From*: Hongyi <hongyi.zhao at gmail.com>*Date*: Tue, 5 May 2009 05:38:11 -0400 (EDT)

Hi all, I've the following equations: \[\sin \left( \theta \right) = a{x^{^2}} + bx + c\] and \[y = \int_0^x {\tan } \left( \theta \right)dx\] I want to obtain the expression of y as the function of x. How should I write the code within mathematica? Thanks in advance.

**Follow-Ups**:**Re: Do some definite integral calculation.***From:*DrMajorBob <btreat1@austin.rr.com>

**Re: Do some definite integral calculation.***From:*DrMajorBob <btreat1@austin.rr.com>

**Re: Do some definite integral calculation.***From:*DrMajorBob <btreat1@austin.rr.com>