જો $\cot \theta + \tan \theta = m$ અને $\sec \theta - \cos \theta = n$ હોય,તો નીચેનામાંથી કયું સાચું છે?

  • A
    $m(mn^2)^{1/3} - n(nm^2)^{1/3} = 1$
  • B
    $m(m^2n)^{1/3} - n(mn^2)^{1/3} = 1$
  • C
    $n(mn^2)^{1/3} - m(nm^2)^{1/3} = 1$
  • D
    $n(m^2n)^{1/3} - m(mn^2)^{1/3} = 1$

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જો $\frac{x}{\cos \theta} = \frac{y}{\cos \left( \theta - \frac{2\pi}{3} \right)} = \frac{z}{\cos \left( \theta + \frac{2\pi}{3} \right)},$ હોય,તો $x + y + z = $

$\cos^2 10^\circ - \cos 10^\circ \cos 50^\circ + \cos^2 50^\circ$ નું મૂલ્ય શું છે?

Difficult
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$\Delta XYZ$ માં $Y$ આગળ કાટખૂણો છે. જો $m \angle X = 60^{\circ}$ હોય,તો $\left(\sec Z + \frac{2}{\sqrt{3}}\right)$ ની કિંમત શોધો.

$\frac{\cos ^{2} 45^{\circ}}{\sin ^{2} 60^{\circ}}+\frac{\cos ^{2} 60^{\circ}}{\sin ^{2} 45^{\circ}}-\frac{\tan ^{2} 30^{\circ}}{\cot ^{2} 45^{\circ}}-\frac{\sin ^{2} 30^{\circ}}{\cot ^{2} 30^{\circ}}$ નું સંખ્યાત્મક મૂલ્ય શોધો.

$\csc \frac{\pi}{18} - \sqrt{3} \sec \frac{\pi}{18}$ ની કિંમત એ એક

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