1. π/2
2. π/3
3. π/4
4. π/6
π/3
1. 4n-1
2. n2+2n
3. n2+n+1
4. n2+2
n2+n+1
1. sin 6θ+cos 2θ
2. sin 6θ+sin 2θ
3. cos 6θ+cos 2θ
4. cos 6θ+sin 2θ
cos 6θ+cos 2θ
1. 2n-1
2. (2+n)/n
3. 2n+1
4. 3+2n
2n+1
1. 4a2(8π-√3)
2.
3.
4. none
1. sin 100
2. cos 100
3. tan 100
4. cot 100
cos 100
1. 3n2+2n
2. 4n2+2n
3. 4n2
4. none
3n2+2n
1. 1/2
2. √3/√2
3. √3/2
4. 3/√2
√3/√2
1. √2 cos 200
2. √2 sin 200
3. √3 cos 200
4. √3 sin 200
√2 sin 200
1. n=3
2. n=1
3. n3=3
4. n=-1
n=1