AP EAPCET 15th May 2023 Shift 1 Solved Paper

Section: Mathematics

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Question : 22 of 160

Marks: +1, -0

If sec(θ+α),sec‌θ and sec(θ−α) are in arithmetic progression, then sin‌2θ=

cos‌α
2‌cos‌α
−2‌cos‌α
−cos‌α

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