1. 1
2. ω
3. ω2
4. ω3
ω2
1. 3
2. -3
3. 4cosAcosBcosC
4. 12 cosAcosBcosC
-3
1. 1/8
2. 1/12
3. 1/16
4. 3/4
1/16
1. 3/4
2. 1/2
3. 2
4. 5/4
3/4
1. 11/12
2. 7/12
3. 5/12
4. 9/12
11/12
1. 11/64
2. 21/32
3. 11/32
4. 15/44
11/32
1. 1,1
2. 2,2
3. 2,√3
4. 2,4
2,2
1. e-m
2. e-m cosh m
3. e-m sinh m
4. e-m coth m
e<sup>-m</sup> sinh m
1. 15(0.1)2(0.9)2
2. 20(0.1)2(0.9)2
3. 21(0.1)2(0.9)5
4. none of these
none of these
1. 1/8,22,27
2. 1/8,23/27
3. 1/8,24/27
4. 1/8,3/4
1/8,3/4