Buktikan bahwa:cos A/a+cos B/b+cos C=(a^2+b^2+c^2)/2 . abc

Name: Buktikan bahwa:cos A/a+cos B/b+cos C=(a^2+b^2+c^2)/2 . abc
Uploaded: 2023-11-24T19:44:08
Duration: PT3M14.6S
Description: Buktikan bahwa:cos A/a+cos B/b+cos C=(a^2+b^2+c^2)/2 . abc