यदि $\sin t + \cos t = \frac{1}{5}$ है,तो $\tan \frac{t}{2}$ का मान क्या होगा?

  • A
    $-1$
  • B
    $-\frac{1}{3}$
  • C
    $2$
  • D
    $(b)$ और $(c)$ दोनों

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यदि $\theta = 3\alpha$ और $\sin \theta = \frac{a}{\sqrt{a^2 + b^2}}$ है,तो व्यंजक $a \csc \alpha - b \sec \alpha$ का मान क्या है?

सिद्ध कीजिए कि $\tan 4x = \frac{4 \tan x (1 - \tan^2 x)}{1 - 6 \tan^2 x + \tan^4 x}$.

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यदि $\left(\frac{\sin 3 \theta}{\sin \theta}\right)^2-\left(\frac{\cos 3 \theta}{\cos \theta}\right)^2=a \cos b \theta$ है,तो $a: b=$

$\frac{\cot x - \tan x}{\cot 2x}$ का मान क्या है?

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