Releted Question 2
The general solution of the trigonometric equation $$\sin x + \cos x = 1$$ is given by:
A.
$$x = 2n\pi ;\,\,n = 0,\,\, \pm 1,\,\, \pm 2\,.....$$
B.
$$x = 2n\pi + \frac{\pi }{2};\,\,n = 0,\,\, \pm 1,\,\, \pm 2\,.....$$
C.
$$x = n\pi + {\left( { - 1} \right)^n}\,\,\frac{\pi }{4} - \frac{\pi }{4}$$
D.
none of these
Releted Question 3
The general solution of $$\sin \,x - 3\,\sin \,2x\, + \sin \,3x\, = \cos x - 3\,\cos \,\,2x + \cos \,3x$$ is
A.
$$n\pi + \frac{\pi }{8}$$
B.
$$\frac{{n\pi }}{2} + \frac{\pi }{8}$$
C.
$${\left( { - 1} \right)^n}\frac{{n\pi }}{2} + \frac{\pi }{8}$$
D.
$$2n\pi + {\cos ^{ - 1}}\frac{3}{2}$$