Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
Easy$\cos \theta(\operatorname{cosec} \theta - \sec \theta) - \cot \theta =$
- A$-1$
- B$1$
- C$0$
- D$\cos^2 \theta - \tan^2 \theta$
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