# The area of the figure bounded by the curves y2=2x+1 and x-y-1=0 is

1.  2/3

2.  4/3

3.  8/3

4.  16/3

4

16/3

Explanation :
No Explanation available for this question

# The area between the curve y2=9x and the line y=3x is

1.  1/3

2.  8/3

3.  1/2

4.  4/3

4

1/2

Explanation :
No Explanation available for this question

# The area cut off by the parabola y2=4ax and its latus rectum is

1.  8a2

2.  4a2

3.  8a2/3

4.  4a2/3

4

8a2/3

Explanation :
No Explanation available for this question

# The area of the region bounded by the curve y2=4ax and the line x=a,x=9a is

1.  2a2/3

2.  a2/3

3.  8a2/3

4.  4a2/3

4

8a2/3

Explanation :
No Explanation available for this question

# sin A+ sin 3A+ sin 5A+ sin 7A=

1.  4 sin A cos 2A cos 4A

2.  4cosA sin 2A sin 4A

3.  4 cosA cos 2A sin 4A

4.  4 sin A cos 2A cos 4A

4

4 cosA cos 2A sin 4A

Explanation :
No Explanation available for this question

# The area bounded by the parabola x2=4by and the double abscissa y=a is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# 1+cos 2θ+ cos 4θ+ cos 6θ=

1.  4sin θ. Sin 2θ. sin 3θ

2.  4cos θ. cos 2θ. cos 3θ

3.  4tan θ. tan 2θ. tan 3θ

4.  4cotθ. cot 2θ. cot 3θ

4

4cos θ. cos 2θ. cos 3θ

Explanation :
No Explanation available for this question

# 1+cos 2x+cos 4x+cos 6x- 4 cosxcos 2xcos 3x=

1.  1

2.  -1

3.  2

4.  0

4

0

Explanation :
No Explanation available for this question

# The area bounded by the curve x2=4ay and the line y=2a is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# cos α+ cos β+ cosγ+ cos(α+β+γ)=

1.  4 sin(α+β/2). Cos(β+γ/2). Cos(γ+α/2)

2.  4 cos(α+β/2). Cos(β+γ/2). Cos(γ+α/2)

3.  4 sin(α+β/2). sin(β+γ/2). sin(γ+α/2)

4.  4 cos(α+β/2). Cos(β+γ/2). sin(γ+α/2)

4