# is equal to:

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# is equal to:

1.  πa/4

2.  πa2/4

3.  3πa2/4

4.  πa/2

4

πa2/4

Explanation :
No Explanation available for this question

# is equal to:

1.  3π/16

2.  3π2/16

3.  16π2/3

4.  16π/3

4

3π<sup>2</sup>/16

Explanation :
No Explanation available for this question

# is equal to:

1.  0

2.  1

3.  -1

4.  -2

4

0

Explanation :
No Explanation available for this question

# If position vectors of the vertices of a triangle are

1.  equilateral triangle

2.  isosceles triangle

3.  right angled isosceles triangle

4.  right angled triangle

4

right angled triangle

Explanation :
No Explanation available for this question

# is equal to:

1.

2.

3.  y

4.

4

y

Explanation :
No Explanation available for this question

# If 3x+4/(x2-3x+2)=[A/x-2]-[B/x-1] then (A,B) is

1.  (7, 10)

2.  (10, 7)

3.  (10, -7)

4.  (-10, 7)

4

(10, -7)

Explanation :
No Explanation available for this question

# If x=√(1-cosθ)/(1+cosθ),then 2x/1-x2 is

1.  cot θ

2.  sin θ

3.  cos θ

4.  tan θ

4

tan θ

Explanation :
No Explanation available for this question

# (3cosθ+cos3θ)/(3sinθ-sin3θ) is equal to:

1.  cos2θ+1

2.  cot4θ

3.  cot3θ

4.  2cotθ

4

cot<sup>3</sup>&#952;

Explanation :
No Explanation available for this question

# If A=sin2θ + cos4θ, then for all values of θ, where

1.  1 ≤ A ≤ 2

2.  (3/4) ≤ A ≤ 1

3.  0 ≤ A ≤ 1

4.  (1/4) ≤ A ≤ (1/2)

4