Mathematics · Trigonometry
If a cot θ + b cosec θ = p and b cot θ + a cosec θ = q, then p2 - q2 is equal to _________.
- 1b2 - a2✓
- 2a2 - b2
- 3b - a
- 4a2 + b2
Correct answer
b2 - a2
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