Question
is there any need to know or learn the proof pf formulas of trigo
Joshi sir comment
No, For making a good command in trigonometry, only implementation is a need. But for your knowledge you can proof these results
is there any need to know or learn the proof pf formulas of trigo
No, For making a good command in trigonometry, only implementation is a need. But for your knowledge you can proof these results