UPSC CDS 1 2022 Math Paper

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Question : 13 of 100

Marks: +1, -0

x=‌

1−cos‌θ+sin‌θ

1+sin‌θ

then what is ‌

sin‌θ+cos‌θ−1

cos‌θ

equal to?

‌
1
x
x
1+x
x−1

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