Mathematics · Trigonometry
If cot A + cos A = p and cot A - cos A = q, then which of the following relations is correct?
- 14pq = p2 + q2
- 2√(16pq) = p2 - q2✓
- 314pq = p2 + q2
- 4√116pq = p2 + q2
Correct answer
√(16pq) = p2 - q2
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