જો $A + B + C = \pi$ $(A, B, C > 0)$ અને ખૂણો $C$ ગુરુકોણ હોય,તો:

  • A
    $\tan A \tan B > 1$
  • B
    $\tan A \tan B < 1$
  • C
    $\tan A \tan B = 1$
  • D
    આમાંથી કોઈ નહીં

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Similar Questions

જો $\cos \theta = \frac{x^{2}-y^{2}}{x^{2}+y^{2}}$ હોય,તો $\cot \theta$ ની કિંમત શોધો (જ્યાં $0^{\circ} \leq \theta \leq 90^{\circ}$)

Difficult
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કિંમત શોધો: $\tan A + \cot (180^\circ + A) + \cot (90^\circ + A) + \cot (360^\circ - A)$

$2\cos^2 \theta - 2\sin^2 \theta = 1$,તો $\theta = \dots \dots ^\circ$

જો $A, B, C$ એ ત્રિકોણના ખૂણાઓ હોય,તો $\sin^2 A + \sin^2 B + \sin^2 C - 2\cos A \cos B \cos C = $

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

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