1. x2 + y2 = 4a2
2. x2 + y2 = 2ax
3. x2 + y2 = 2ay
4. x2 + y2 = 2ax + 2ay
x<sup>2</sup> + y<sup>2</sup> = 2ax
1. 7
2. 7/2
3. 7/4
4. 7/6
7/4
1. 59
2. -59
3. 19
4. -19
-59
1. (0 , 1)
2. (0 , -1)
3. (1, 0)
4. (-1 , 0)
(0 , -1)
1. 4 cos2 θ
2. 4 sin2 θ
3. 4 cosec2 θ
4. 4 sec2 θ
4 cosec<sup>2</sup> θ
1. 2
2. 3
3. 4
4. 8
8
1. π / 6
2. π / 4
3. π / 3
4. π / 2
π / 3
1. 1 / 2
2. 1 /√3
3. 1/ √2
4. √3/2
√3/2
1. sin θ + cos θ =(√3 +1 )/r
2. sin θ - cos θ =(√3 +1 )/r
3. sin θ + cos θ =(√3 -1 )/r
4. cos θ - sin θ =√3 /r
sin θ + cos θ =(√3 +1 )/r
1. 2 : 1
2. 4 : 3
3. -1 : 4
4. 2 : 3
-1 : 4