1. -2
2. -1
3. 1
4. 2
2
1. nπ+[(-1)n(π/3)]
2.
3.
4. 2nπ+[(-1)n(π/3)]
1. (1+i√3)/2
2. (-1+i√3)/2
3. (1-i√3)/2
4. (-1-i√3)/2
(1+i√3)/2
1. R
2. b
3. c
4. a
a
1. π
2. π/2
3. π/3
4. 2π
2π
1. 2r
2. 3R
3. 4s
4. 3s
3s
1. 56/33
2. 33/56
3. 16/65
4. 60/61
56/33
1. 1/2
2. 0
3. -(1/4)
4. 3/4
3/4
1. A<B
2. A>B
3. B=2A
4. A=2B
A>B
1. π
2. π/2
3. π/3
4. π/6
π