UPSC 2016 CDS I Math Paper

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Question : 62 of 100

Marks: +1, -0

If

x

a

−

y

b

‌tan‌θ=1 and

x

a

‌tan‌θ+

y

b

=1, then the value of

x2

a2

+

y2

b2

is

[2016 CDS-I]

2sec2θ
sec2θ
cos2θ
2cos2θ

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