AP EAPCET 18th May 2023 Shift 1 Solved Paper

Section: Mathematics

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Question : 21 of 160

Marks: +1, -0

If two acute angles A and B are such that A≠B and ‌

x

y

=‌

cos‌A

cos‌B

, then ‌

x‌tan‌A−y‌tan‌B

x+y

=

tan(‌
A−B
2
)
tan(‌
B−A
2
)
tan(‌
A+B
2
)
cot(‌
A+B
2
)

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