G. Udhaya Sankar

4 Questions 17 Answers 0 Followers

Questions related from G. Udhaya Sankar

Is there ANY POSSIBILITY to correct the method of writing Sin²θ in Trigonometry ?

1) sin²θ = Sinθ *Sinθ ????????????? Or 2) Sin²θ² = Sinθ*Sinθ ???????????? Or 3) sin²θ = Sin(Sinθ) ?????????? Every book has the answer : 1) sin²θ = Sinθ *Sinθ. Why is trigonometry so special...

10 October 2017 4,840 0 View

Does the wave equation for electric field, derived from Maxwell equations , give a wave solution ?

This question is about Maxwell equations. Maxwell equations imply wave (differential) equations for electric field and magnetic field. I never found any mathematical evidence for the following: ...

07 July 2017 9,774 29 View

Citation ! DOI number is Necessary Or Not ?

when we saw a old article( At the time of 19th century) They published articles without DOI number in journals. Even though they will get citation for it ! Nowadays, why we are looking for DOI...

12 December 2016 9,550 1 View

Why we need impact factor for journals?

Each and every journals has IMPACT FACTOR but those impact factor have been given by any one of the below impact factor evaluation websites 1)SCIENCE CITATION INDEX...

12 December 2016 8,654 6 View