TS EAMCET 06 May 2019 Shift 1 Solved Paper

Section: Mathematics

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Question : 22 of 160

Marks: +1, -0

If sin x + sin y = p , cos x + cos y = q, then sec (x + y) =

2pq
p2+q2
p2+q2
q2−p2
2pq
√p2+q2
p+q
p2+q2

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