Mathematics · Trigonometry
यदि cos θ = (P2 - 1) / (P2 + 1) जहाँ 0° < θ < 90° है, तो cosec θ किसके बराबर है?
- 1(1 - P2) / 2P
- 22P / (1 + P2)
- 3(1 + P2) / 2P✓
- 42P / (1 - P2)
सही उत्तर देखें
(1 + P2) / 2P
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