Q) If ∑129_(?=1)^13 {1/sin(?/4+(?−1)?/6)sin(?/4+??/6) }= ?√3+?, a,b∈?, then a^2+b^2 is e

교육/지식/강연

2026.08.09 15:42

Q) If ∑129_(r=1)^13 {1/sin(?/4+(r−1)?/6)sin(?/4+r?/6) }= a√3+b, a,b∈Z, then a^2+b^2 is equal to (1) 10 (2) 2 (3) 8 (4) ...

@PhyMaths-f1f 　2일 전

Old adv pyq

2026-08-10 01:00

@Plamee 　2일 전

Tough question ?

2026-08-09 22:41

@Hriday-il7rh 　1일 전

I felt it moderate

2026-08-11 09:45