1. x + 2y = 3a
2. 3x - 4y + a = 0
3. 4x + 3y = 7a
4. 4x - 3y = 7a
4x + 3y = 7a
1. 30o
2. 45o
3. 60o
4. 90o
90o
1. (-3, 19)
2. (3, 19)
3. (-19,3)
4. (-19,-3)
(3, 19)
1. 5/2
2. 8/5
3. 2/5
4. 5/8
8/5
1. cot z
2. 2 cot z
3. 2 tan z
4. 2 sec z
2 cot z
1. xn ecx
2. xn
3. ecx
4. xn +ecx
xn ecx
1. cos (x ex)
2. sin (x ex)
3. 2 tan-1(x)
4. tan (x ex)
tan (x ex)
1. π/6
2. π/9
3. π/12
4. π/16
π/16
1. 0
2. 1
3. 2
4. π
2
1. 1/3
2. 2/3
3. 1
4. 2
2/3