(sin 7x-sin 5x)/(cos 7x+cos 5x)=...

Name: (sin 7x-sin 5x)/(cos 7x+cos 5x)=...
Uploaded: 2024-05-15T07:44:08.000Z
Duration: PT2M26.734S
Description: (sin 7x-sin 5x)/(cos 7x+cos 5x)=...