Homework Help: trig

Posted by BreAnne on Friday, February 10, 2012 at 12:41am.

I dont understand this. can you please tell how you got each answer?

describe how the graph of each function is related to a basic trigonometric graph.

1. y= 1/2cos x
2. y= 2cos x+1
3. y= sin x-4
4. y= sin(x-4)
5. y= sin(3x)
6. y= cos(1/2x)
7. y= -cos x
8. y= -cos x+2
9. y= -4sinx
10. y= 4sin(-x)

Pleeease help! thank you!

trig - Bosnian, Friday, February 10, 2012 at 2:46am
In google type:
functions graphs online

When you see list of results click on: rechneronline.de/function-graphs/

When page be open in blue rectangle type:

1/2cos(x)

And click option: Draw

then type :

2cos(x)+1 OR 2cos (x+1)

And click option: Draw

etc.

You must write correct expresions.
trig - BreAnne, Friday, February 10, 2012 at 3:15pm
thank you!
trig - BreAnne, Friday, February 10, 2012 at 3:18pm
how does that tell how the graph of the function is related to a basic trigonometric graph?

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