Value of cos minus 1
- value of cos inverse minus 1 upon 2
- value of cos inverse minus 1 by 3
- value of cos theta minus 1 by 2
- value of cos inverse minus 1
- value of cos inverse minus 1 by root 2
- value of cos inverse minus 1 by 2
- value of cos minus 1 upon 2
- value of cos minus 1
- value of cos minus 1 by root 2
- value of cos minus 1 by 2
