यदि $A$ तीसरे चतुर्थांश में स्थित है और $3 \tan A - 4 = 0$ है,तो $5 \sin 2A + 3 \sin A + 4 \cos A = $

  • A
    $0$
  • B
    $\frac{-24}{5}$
  • C
    $\frac{24}{5}$
  • D
    $\frac{48}{5}$

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$x \in [0, 2\pi]$ के लिए $|\sqrt{2 \sin^4 x + 18 \cos^2 x} - \sqrt{2 \cos^4 x + 18 \sin^2 x}| = 1$ को संतुष्ट करने वाले $x$ की संख्या है

$\cos \frac{2 \pi}{7}+\cos \frac{4 \pi}{7}+\cos \frac{6 \pi}{7}$

यदि $\tan A - \tan B = x$ और $\cot B - \cot A = y$ है,तो $\cot (A - B) = $

यदि $f(x) = \frac{\cos^2 x + \sin^4 x}{\sin^2 x + \cos^4 x}$,$x \in R$ के लिए,तो $f(2002)$ का मान क्या होगा?

यदि $\sin A + \cos A = \sqrt{2}$ है,तो $\cos^2 A = $

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