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Trigonometrical Equations
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$\tan 3x = 1$ का व्यापक हल है
A
$n\pi + \frac{\pi }{4}$
B
$\frac{{n\pi }}{3} + \frac{\pi }{{12}}$
C
$n\pi $
D
$n\pi \pm \frac{\pi }{4}$
Solution
(b) $\tan 3x = 1 \Rightarrow \tan 3x = \tan \frac{\pi }{4}$
$ \Rightarrow 3x = n\pi + \frac{\pi }{4}$$ \Rightarrow $ $x = \frac{{n\pi }}{3} + \frac{\pi }{{12}}$.
Standard 11
Mathematics