Maths with Arjun
Prove: Cosec2A+cot4A= cotA-Cosec4A Trigonometry: Multiple Angles
#Mathswitharjun #Trigonometry FOLLOW US: Facebook: www.facebook.com/mathswitharjun Twitter: www.twitter.com/twitajr ... https://www.youtube.com/watch?v=iyvjSXLov-U
16605836 Bytes