Across
- 1. 60° 2tan 30°/(1 + tan^230°)
- 2. the ration of adjacent side and hypotenuse.
- 4. value of cos 60
- 6. sin 2A = 2 sin A is true when A
- 8. if sin A = 1/2 , then the value of cot A is
- 9. value cosec 60
Down
- 1. the ratio of opposite side and hypotenuse.
- 3. 1 – cos2A is equal to:
- 4. value of tan 30
- 5. The value of (sin 45° + cos 45°) is
- 7. if cos(α + β) = 0, then sin(α – β) can be reduced to: