cos^2 30-sin^2 135+8 sin 45 cos 135=

Name: cos^2 30-sin^2 135+8 sin 45 cos 135=
Uploaded: 2023-12-30T16:51:43
Duration: PT2M31.9S
Description: cos^2 30-sin^2 135+8 sin 45 cos 135=