TG EAMCET 4 May 2025 Shift 2 Paper

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Question : 24 of 160

Marks: +1, -0

If cos‌α=‌

l‌cos‌β+m

l+m‌cos‌β

, then (‌

tan‌

α

2

tan‌

β

2

)2=

‌‌
l−m
l+m
‌‌
l+m
l−m
‌‌
l2−m2
l2+m2
‌√‌
l−m
l+m

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