The number of solutions of \[\sin x+\sin 2x+\sin 3x=\cos x+\cos 2x+\cos 3x,\]\[0\le x\le 2\pi \], is

The number of solutions of \[\sin x+\sin 2x+\sin 3x=\cos x+\cos 2x+\co

1.	The number of solutions of \[\sin x+\sin 2x+\sin 3x=\cos x+\cos 2x+\cos 3x,\]\[0\le x\le 2\pi \], is
A.	7
B.	5
C.	4
D.	6
Answer» E.

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The number of solutions of \[\sin x+\sin 2x+\sin 3x=\cos x+\cos 2x+\cos 3x,\]\[0\le x\le 2\pi \], is

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