Question

how do I remember the values of sin and cos?

i.e. how do I remember that

sin60 = root3/2
cos 90=0

etc.​

Answer 1

there is a simple method in which you have to only learn the values if sin and for cos values write it's opposite

Step-by-step explanation:

But a very simple method to practice more and more questions ,it will help you to memorize the values.