Find the value of cos 45 sec 30 cosec 60

- Find the value of cos 45 sin 60 sec 30 cosec 30
- Find the value of each trigonometric ratio
- Cos 0 + cos 45 + sin 30 into sin 90 - cos 45 + cos 60
- Find the value of each trigonometric ratio to the nearest ten-thousandth
- Find the exact values of the six trigonometric functions of each angle θ
- Find the exact value of sin