u/Silent_Jellyfish4141

Image 1 — Integral from 0 to pi of ln(1-2a cosx+ a^2) (Dinis integral) by a rieman sum.

Image 2 — Integral from 0 to pi of ln(1-2a cosx+ a^2) (Dinis integral) by a rieman sum.

Image 3 — Integral from 0 to pi of ln(1-2a cosx+ a^2) (Dinis integral) by a rieman sum.

Image 4 — Integral from 0 to pi of ln(1-2a cosx+ a^2) (Dinis integral) by a rieman sum.

▲ 13 r/the_calculusguy

Integral from 0 to pi of ln(1-2a cosx+ a^2) (Dinis integral) by a rieman sum.

An integral that doesn’t have an elementary antiderivative solved by a rieman integral is kinda crazy imo

u/Silent_Jellyfish4141 — 3 days ago

▲ 27 r/the_calculusguy

Integral of sin(11x)/sin(x) from 0 to pi by Lagranges identity

Link: https://proofwiki.org/wiki/Lagrange%27s\_Trigonometric\_Identities

u/Silent_Jellyfish4141 — 6 days ago

▲ 13 r/the_calculusguy

A modified problem from madasmaths

u/Silent_Jellyfish4141 — 17 days ago

▲ 20 r/the_calculusguy

Yes, I do realise using ibp is way faster

u/Silent_Jellyfish4141 — 18 days ago