સમીકરણ 4{cos ^2}x + 6{sin ^2}x = 5 નો ઉકેલ મે | vedclass

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Question

(b) $4 + 2{\sin ^2}x = 5$

$ \Rightarrow $ ${\sin ^2}x = \frac{1}{2} = {\sin ^2}\frac{\pi }{4}$

$\Rightarrow x = n\pi \pm \frac{\pi }{4}$.

Vedclass · Accepted Answer

$x = n\pi \pm \frac{\pi }{4}$

Vedclass · Answer

(b) $4 + 2{\sin ^2}x = 5$

$ \Rightarrow $ ${\sin ^2}x = \frac{1}{2} = {\sin ^2}\frac{\pi }{4}$

$\Rightarrow x = n\pi \pm \frac{\pi }{4}$.

સમીકરણ $4{\cos ^2}x + 6$${\sin ^2}x = 5$ નો ઉકેલ મેળવો.