TS EAMCET 14-Sep-2020 Shift 2 Solved Paper

Section: Mathematics
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Question : 25 of 160
 
Marks: +1, -0
If sin‌θ‌cosh‌α=tan‌x,cos‌θ‌sinh‌α=sec‌x, then cos‌2‌θ‌cosh‌2‌α=
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