(cos (A - B))/(cos A . sin B) = cotan B + tan A

Name: (cos (A - B))/(cos A . sin B) = cotan B + tan A
Uploaded: 2024-02-19T13:29:08.000Z
Duration: PT1M26.133S
Description: (cos (A - B))/(cos A . sin B) = cotan B + tan A