@jdtru1808

... I have struggled with this concept for a long time thank you.

@Professorliv

Oye hoye sirrraaaaaa trick ❤

@Maximizemaths

Good

@MuralidharMurali-s8x

Ok ok haa😂😅

@БлокНот-г3э

And what about cos(x)?

@Manish2010

We know