Mathematics · Trigonometry
If sec θ + tan θ = k, where 0° < θ < 90°, then the expression ((k - 1)2 + 2k) / ((k + 1)2 - 2k) simplifies to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1sin θ✓
- 2sec θ cosec θ
- 3cos θ + sin θ
- 4sin θ - cos θ
Correct answer
sin θ
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