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JEE Mains 15-Apr-2023 Shift 1 Solved Paper

Section: Mathematics
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Question : 29 of 90
 
Marks: +1, -0
If the line x=y=z intersects the line xsin‌A+ysin‌B+zsin‌C−18=0=xsin‌2A+ysin‌2B+zsin‌2C−9, where A,B,C are the angles of a triangle ABC, then 80(sin‌‌
A
2
sin‌‌
B
2
sin‌‌
C
2
) is equal to ________
[15-Apr-2023 shift 1]
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