1. 3
2. 2
3. 1
4. 0
1
1. 0
2. 1
3. 3
4. 4
1
1. π/6
2. π/3
3. π
4. 0
π/3
1. –r2/2
2. –r/2
3. r/2
4. r
r/2
1. (-√18,√18)
2. (-2, 3)
3. (0,√18)
4. (0,3)
(0,√18)
1. 2α
2. α/3
3. αe-2
4. αe2
α/3
1. 1/2
2. 1/3
3. 1/4
4. 1/8
1/2
1. 37/40
2. 1/37
3. 36/37
4. 1/9
1/37
1. 1/3
2. 1/6
3. 1/2
4. 1/4
1/3
1. 1/2
2. 1/4
3. 1/8
4. 3/8
1/2