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

Question

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

anonymous · Answer

@rational @iGreen

anonymous · Answer

@terenzreignz

terenzreignz · Answer

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

anonymous · Answer

how?

anonymous · Answer

can you help me to do it

terenzreignz · Answer

Okay, say we have the coordinate system
|dw:1425305919492:dw|

anonymous · Answer

yes then

terenzreignz · Answer

Do you have a calculator with you?

anonymous · Answer

yes i have

terenzreignz · Answer

Good.  Now, there's no need to be totally accurate here, just see the pattern...
Say we mark out 1 and -1|dw:1425306022747:dw|

anonymous · Answer

how did you get 1 and -1?

terenzreignz · Answer

I just marked them out on the graph :)

anonymous · Answer

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

terenzreignz · Answer

Sure. Let's mark those out on the x-axis.|dw:1425306128824:dw|
each mark is pi/2

anonymous · Answer

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

terenzreignz · Answer

|dw:1425306279888:dw|