Revision history of "Double angle identities"

Diff selection: Mark the radio boxes of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

  • (cur | prev) 19:21, 7 September 2023Yiyj1 (talk | contribs). . (357 bytes) (+357). . (Created page with "The trigonometric double-angle identities are easily derived from the angle addition formulas by just letting <math>x = y</math>. Doing so yields: * <math>\sin (2x) = 2\sin (...")