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Sketch the graph of y=cos(x+pie/2).
I don't understand how to do this.
 one year ago
 one year ago
Sketch the graph of y=cos(x+pie/2). I don't understand how to do this.
 one year ago
 one year ago

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ZeHanzBest ResponseYou've already chosen the best response.0
Do you know how to sketch the graph of y = cosx ?
 one year ago

ZeHanzBest ResponseYou've already chosen the best response.0
The graph of y = cos(x + pi/2) looks a lot like y = cos x. You could see this as follows: cos 0 = 1 is the starting point of the "normal" cos. To get 1 as a result from your function, you need to substitute pi/2 for x. That means the starting point of cos(x + pi/2) has shifted...
 one year ago

haleyking345Best ResponseYou've already chosen the best response.0
to the left right?
 one year ago

haleyking345Best ResponseYou've already chosen the best response.0
So, it would start at pie/2 and would it go to pie/2 in the positive direction?
 one year ago

ZeHanzBest ResponseYou've already chosen the best response.0
The period (2pi) hasn't changed, so it would end at 3pi/2, exactly 2pi to the right from pi/2
 one year ago

haleyking345Best ResponseYou've already chosen the best response.0
oh, ok i get it now thanks!!!
 one year ago
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