COMEDK Exam 2019 Solved Paper

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Question : 178 of 180

Marks: +1, -0

If √‌

1+cos‌A

1−cos‌A

=‌

x

y

, then the value of tan‌A=

‌
x2+y2
x2−y2
‌
2xy
x2+y2
‌
2xy
x2−y2
‌
2xy
y2−x2

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