
2.8.4 Power series
Problem:
Calculate the value of the integral \( I \) with an accuracy of \( \varepsilon=0.0001 \), expanding the integrand function into a power series and integrating it term by term:
\[
I=\int_{0}^{0.75} \sin \left(-1 x^{2}+3\right) d x \text {. }
\]