Buktikan bahwa: tan 1/2 alpha = (1 - cos alpha)/sin alpha

Name: Buktikan bahwa: tan 1/2 alpha = (1 - cos alpha)/sin alpha
Uploaded: 2024-02-22T15:51:43.000Z
Duration: PT3M4.384S
Description: Buktikan bahwa: tan 1/2 alpha = (1 - cos alpha)/sin alpha