જો $\sin \theta + \csc \theta = 2$ હોય,તો $\sin^2 \theta + \csc^2 \theta = $

  • A
    $1$
  • B
    $4$
  • C
    $2$
  • D
    આમાંથી કોઈ નહીં

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જો $\left| a\sin^2 \theta + b\sin \theta \cos \theta + c\cos^2 \theta - \frac{1}{2}(a + c) \right| \le \frac{1}{2}k$ હોય,તો $k^2$ ની કિંમત શોધો.

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જો $A + B + C = 270^o$ હોય,તો $\cos 2A + \cos 2B + \cos 2C + 4\sin A \sin B \sin C = $

$\frac{{\cot^2 15^\circ - 1}}{{\cot^2 15^\circ + 1}} = $

જો $A+B=45^{\circ}$ અને $(\cot A-1)(\cot B-1)=4 K$ હોય,તો $K=$

જો $\tan x + \tan \left( \frac{\pi }{3} + x \right) + \tan \left( \frac{2\pi }{3} + x \right) = 3,$ હોય,તો

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