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Jul
27
revised co-ordinate geometry question 4
Added the tag analytic-gementry. Removed the tag linear-algebra.
Jul
27
suggested approved edit on co-ordinate geometry question 4
Jun
19
comment Kline, Lang, Silverman…which author provides thorough and rigorous Calculus up Multivariate & Advanced Calculus?
Please have a look at 2 courses available at Coursera called Calculus 1, Calculus 2. These are self-paced and free. Rigorous treatment of calculus will be found in books/lectures on Analysis.Besides the topics mentioned by you, I think you need to learn Linear Algebra.
Jun
13
comment Online videos on Measure theory.
These are lectures by Prof. Inder Rana, who is the author of the book "An Introduction to Measure and Integration" Second Edition, Published by American Mathematical Society. (Graduate Studies in Mathematics Series.)
May
22
revised How can I prove that $2ab \leq a^2 + b^2$?
Linear-Algebra is not an appropriate tag for this question. So I removd it.
May
22
suggested approved edit on How can I prove that $2ab \leq a^2 + b^2$?
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 $[-1, 1]$