# The equation of the curve in polar coordinates is(1/r) =2sin2(θ/2).Then it represents

1.  A straight line

2.  a circle

3.  a parabola

4.  an ellipse

4

a parabola

Explanation :
No Explanation available for this question

# The area of the triangle formed by(1,π/6),(2,π/3),(3,π/2) is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# =

1.

2.

3.

4.  none

4

Explanation :
No Explanation available for this question

1.

2.

3.

4.  x+c

4

x+c

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

1.  ln|ln(tanx)|+c

2.  ln|secx+cosecx|+c

3.  -ln|ln(tanx)|+c

4.

4

ln|ln(tanx)|+c

Explanation :
No Explanation available for this question

1.  2π

2.  3π/2

3.  π

4.  5π

4

π

Explanation :
No Explanation available for this question

1.  ln(3/2)

2.  ln 3

3.  ln(2/3)

4.  0

4

0

Explanation :
No Explanation available for this question

# The area bound by the curve y=sin 2x+cos2x and the x-axis between the ordinates x=0, x=π/4 is

1.  1 sq.unit

2.  (1/2) sq.unit

3.  (2/3) sq.unit

4.  0 sq.unit

4

1 sq.unit

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4