Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMaximum and minimum values of trigonometrical functions, Conditional trigonometrical identities
Mediumयदि $ABC$ एक समकोण त्रिभुज नहीं है और $\sin \left(\frac{\pi}{4}-A\right) \sin \left(\frac{\pi}{4}-B\right) = -\frac{1}{2 \sqrt{2}} \operatorname{cosec}\left(\frac{\pi}{4}-C\right)$ है,तो $\tan A \tan B + \tan B \tan C + \tan C \tan A = $
- A$\cot A + \cot B + \cot C$
- B$\tan A + \tan B + \tan C$
- C$\frac{1}{\tan A + \tan B + \tan C}$
- D$\frac{1}{\cot A + \cot B + \cot C}$
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