Trigonometric-Equations Question 401
Question: If n is any integer, then the general solution of the equation $ \cos x-\sin x=\frac{1}{\sqrt{2}} $ is
[J & K 2005]
Options:
A) $ x=2n\pi -\frac{\pi }{12} $ or $ x=2n\pi +\frac{7\pi }{12} $
B) $ x=n\pi \pm \frac{\pi }{12} $
C) $ x=2n\pi +\frac{\pi }{12} $ or $ x=2n\pi -\frac{7\pi }{12} $
D) $ x=n\pi +\frac{\pi }{12} $ or $ x=n\pi -\frac{7\pi }{12} $
Correct Answer: C
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Answer:
Solution:
BETA
