UPSC CDS I 2025 Mathematics Paper

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Question : 26 of 100

Marks: +1, -0

What is ‌

sin‌⁡θ

1−cot⁡θ

+‌

cos⁡θ

1−tan⁡θ

(θ ≠ π/4) equal to?

sin θ + cos θ
sin θ − cos θ
cos θ − sin θ
− (sin θ + cos θ)

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