1. 2
2. 1
3. 3
4. indeterminate
2
1. 7 Units
2. 5 Units
3. 6 Units
4. 8 Units
7 Units
1. (5, 6)
2. (7, 5)
3. (8,4)
4. (9, 6)
(7, 5)
1. sqrt6 Units
2. sqrt5 Units
3. sqrt13 Units
4. sqrt10 Units
sqrt13 Units
1. 5 : 2
2. 3 : 4
3. 2 : 3
4. 4 : 7
4 : 7
1. 1
2. 3
3. -2
4. -1
1
1. 10C4×9C1
2. 10C5
3. 10C4×9C4
4. 10C5×5!
10C5
1. Sinθx
2. 1/sinθ
3. 1/(1-cosθ)
4. 1/(1-cosθ)2
1/(1-cosθ)
1. 0
2. 1
3. 2
4. 4
4
1. 0
2. 1
3. 2
4. 3
1