1
WB JEE 2010
MCQ (Single Correct Answer)
+1
-0.25

The value of $${{\cot x - \tan x} \over {\cot 2x}}$$ is

A
1
B
2
C
$$-$$1
D
4
2
WB JEE 2010
MCQ (Single Correct Answer)
+1
-0.25

The number of points of intersection of 2y = 1 and y = sinx, in $$-$$2$$\pi$$ $$\le$$ x $$\le$$ 2$$\pi$$ is

A
1
B
2
C
3
D
4
3
WB JEE 2010
MCQ (Single Correct Answer)
+1
-0.25

The value of $${{\cot 54^\circ } \over {\tan 36^\circ }} + {{\tan 20^\circ } \over {\cot 70^\circ }}$$ is

A
0
B
2
C
3
D
1
4
WB JEE 2010
MCQ (Single Correct Answer)
+1
-0.25

If $$\sin 6\theta + \sin 4\theta + \sin 2\theta = 0$$, then the general value of $$\theta$$ is

A
$${{n\pi } \over 4},n\pi \pm {\pi \over 3}$$
B
$${{n\pi } \over 4},n\pi \pm {\pi \over 6}$$
C
$${{n\pi } \over 4},2n\pi \pm {\pi \over 3}$$
D
$${{n\pi } \over 4},2n\pi \pm {\pi \over 6}$$
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