Sum and Difference Derivatives

[@nvrhaveaniceday]

thank you, this video helped with my exam for my Calculus1 college course. Very clear

[@Aliens797]

nice video! thanks for the help!

[@mayshamahzabin4937]

thank you this was helpful !

[@an50331]

i like your voice

[@banothukarthik2050]

sin x
1+cos x W. r. t. x.