AP EAMCET · Maths · Trigonometric Ratios & Identities
\(\cos \theta(\operatorname{cosec} \theta-\sec \theta)-\cot \theta=\)
- A \(-1\)
- B \(1\)
- C \(0\)
- D \(\cos ^2 \theta-\tan ^2 \theta\)
Answer & Solution
Correct Answer
(A) \(-1\)
Step-by-step Solution
Detailed explanation
\(\begin{aligned} & (\cos \theta)(\operatorname{cosec} \theta-\sec \theta)-\cot \theta \\ & =\frac{\cos \theta}{\sin \theta}-1-\cot \theta\end{aligned}\)
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