TS EAMCET 5-Aug-2021 Shift 2 Question Paper

Section: Mathematics

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Question : 21 of 160

Marks: +1, -0

If

2‌sin‌α

1+cos‌α+sin‌α

= x, then

1−cos‌α−sin‌α

cos‌α

=

1
x
−x
1−x
1+x

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