TS EAMCET · Maths · Trigonometric Equations
Assertion (A) If \(A=15^{\circ}, B=17^{\circ}\) and \(C=13^{\circ}\), then \(\cot 2 A+\cot 2 B+\cot 2 C\) \(=\cot 2 A \cot 2 B \cot 2 C\) Reason (R) In a \(\triangle P Q R\), \(\tan \frac{P}{2} \tan \frac{Q}{2}+\tan \frac{Q}{2} \tan \frac{R}{2}+\tan \frac{P}{2} \tan \frac{R}{2}=1\) The correct option among the following is
- A (A) is true, (R) is true and (R) is the correct explanation for (A)
- B (A) is true, (R) is true but (R) is not the correct explanation for (A)
- C (A) is true but (R) is false
- D (A) is false but (R) is true
Answer & Solution
Correct Answer
(A) (A) is true, (R) is true and (R) is the correct explanation for (A)
Step-by-step Solution
Detailed explanation
Reason In \(\triangle P Q R\),…
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