What is the full form of S.I. in S.I. system?
I AM HAVING A DOUBT REGARDING THE FULL FORM OF {ICBN}!
is it international code for botanical nomenclature {NCERT}
or
it is international code of botanical nomenclature
WHICH IS CORRECT?
If sin A + 2cos A = 1
Prove That 2sin A - cos A = 2
Please explain with full steps