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Apr
20
awarded  Informed
Apr
20
comment Find the values of $\sin 69^{\circ},\sin 18^{\circ} , \tan 23^{\circ}$
Additional link for sin 1. This is also a useful document Exact Values of the Sine and Cosine Functions in In crements of 3 degrees.
Apr
20
revised Find the values of $\sin 69^{\circ},\sin 18^{\circ} , \tan 23^{\circ}$
Edited for sqrt
Apr
20
revised Find the values of $\sin 69^{\circ},\sin 18^{\circ} , \tan 23^{\circ}$
Edited for sqrt
Apr
20
answered Find the values of $\sin 69^{\circ},\sin 18^{\circ} , \tan 23^{\circ}$
Apr
7
awarded  Organizer
Apr
7
revised A 10 digit positive number and ordered triplets
I have changed the Tag from Liner Algebra to elementary-number-theory
Apr
7
suggested approved edit on A 10 digit positive number and ordered triplets
Mar
18
revised IMO programs of different nations?
I rewrote to added clarity. I have used points clairified in the comments. Also a spelling correction.
Mar
18
suggested approved edit on IMO programs of different nations?
Mar
17
answered Calculate difference in days to reference date
Mar
9
revised Why does the least common denominator work?
Just added a clarification for my earlier answer.
Mar
9
revised How to represent sign function in range $[-1, 1]$
Put a ",' between -1 & 1
Mar
9
suggested approved edit on How to represent sign function in range $[-1, 1]$
Mar
9
answered Why does the least common denominator work?
Jan
30
revised How can a beginner researcher or Ph.D. student efficiently and effectively learn new concepts while staying motivated?
Replaced the word 'type consuming' by 'time consuming'
Jan
30
suggested approved edit on How can a beginner researcher or Ph.D. student efficiently and effectively learn new concepts while staying motivated?
Sep
24
awarded  Autobiographer
Oct
25
awarded  Supporter
Oct
14
answered Find by integrating the area of ​​the triangle vertices $(5,1), (1,3)\;\text{and}\;(-1,-2)$