1.
2.
3.
4.
1. (1, 0)
2. (2, -3)
3. (5, 2)
4. (-1, 0)
(2, -3)
1. π
2. 2π
3. 4π
4. none
2π
1. (1, 0)
2. (3, -1)
3. (5, 2)
4. (-1, 0)
(3, -1)
1. (a, a)
2. (a/2, a/2)
3. (a/√2, a/√2)
4. (-a/√2, a/√2)
(-a/√2, a/√2)
1. √c-c1
2. √c+c1
3. √c1-c
4. c-c1
√c1-c
1. 4
2. 12
3. 16
4. 8
4
1. 1
2. 2
3. -2
4. -5
-2
1.
2.
3.
4. none
1. nπ/3+ π/9 :nεZ
2. nπ/3+π/12:n ε Z
3. nπ/3+ (-1)n :n εZ
4. nπ+π/4:n εZ
nπ+π/4:n εZ