AP EAMCET · Maths · Trigonometric Equations
If \(m \cdot \tan \left(\theta-30^{\circ}\right)=n \cdot \tan \left(\theta+120^{\circ}\right)\), then \(\frac{m+n}{m-n}=\)
- A \(2 \cos 2 \theta\)
- B \(2 \cos ^2 \theta\)
- C \(\tan 2 \theta\)
- D \(2 \sin 2 \theta\)
Answer & Solution
Correct Answer
(A) \(2 \cos 2 \theta\)
Step-by-step Solution
Detailed explanation
Given : \(\mathrm{m} \tan \left(\theta-30^{\circ}\right)=\mathrm{n} \tan (\theta+120)\)…
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