2 cos square theta minus 1 is equal to
- 2 cos square 45 degree minus 1 is equal to cos theta
- 2 sin square theta minus cos theta is equal to 1
- 2 cos square theta minus 2 sin square theta is equal to 1 then theta is equal to
- Cos 4 theta minus sin 4 theta 1 is equal to 2 cos square theta
- Cos square theta minus 3 cos theta 2 upon sin square theta is equal to 1
- Cos 1 cos 2 cos 3