Question

help guys, how to graph this one? y = cosx, y = sinx and the y axis TOPIC IS PLANE AREAS IN RECTANGULAR COORDINATES

Answer 1

@rational @iGreen

Answer 2

@terenzreignz

Answer 3

graphing can be as simple as choosing a few points and then just "connecting the dots" :)

Answer 4

how?

Answer 5

can you help me to do it

Answer 6

Okay, say we have the coordinate system

Answer 7

yes then

Answer 8

Do you have a calculator with you?

Answer 9

yes i have

Answer 10

Good. Now, there's no need to be totally accurate here, just see the pattern...
Say we mark out 1 and -1

Answer 11

how did you get 1 and -1?

Answer 12

I just marked them out on the graph :)

Answer 13

ah okay do we need to get the sin pi etc?

Answer 14

Sure. Let's mark those out on the x-axis.
each mark is pi/2

Answer 15

what pi/2? can u label it i cant understand