Mathematics · Trigonometry
व्यंजक cos(θ)sec(θ) - 1 + cos(θ)sec(θ) + 1 किसके बराबर है?
- 12sin2(θ)
- 22cos2(θ)
- 32cot2(θ)✓
- 42sec2(θ)
सही उत्तर देखें
2cot2(θ)
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