1. The minimum value of 9 tan2 ø + 4cot2  is

13

9

6

12

2. If sin x + cosec x = 2, then find the value of sin5x + cosec5x

1

2

3

4

3. The ratio in which line 3x + 4 y = 7 divides the line segment joining the points (1, 2) and (–2, 1) is

4/9

9/4

1/3

¾

4. Centroid of the triangle whose vertices are (0, 0), (2, 5) and (7,4) is

(4, 3)

(3, 4)

(3, 3)

(3, 5)

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