The most general value of $\theta $ satisfying the equations $\tan \theta = - 1$ and $\cos \theta = \frac{1}{{\sqrt 2 }}$ is
The most general value of $\theta $ satisfying the equations $\tan \theta = - 1$ and $\cos \theta = \frac{1}{{\sqrt 2 }}$ is
- A
$n\pi + \frac{{7\pi }}{4}$
- B
$n\pi + {( - 1)^n}\frac{{7\pi }}{4}$
- C
$2n\pi + \frac{{7\pi }}{4}$
- D
None of these
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