How to find out various sine values from its graph.

  • #1
Phys12
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41
Question (and Answer):

XtPLM.jpg

The answer is written in thin black, inc = increasing, dec = decreasing. Am I wrong anywhere?

Thanks!
 

Answers and Replies

  • #2
.Scott
Science Advisor
Homework Helper
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I would quibble over pi/2 and 3pi/2. In both of those cases the value of sin(x)neither increases nor decreases as x increases .
 
  • #3
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I would quibble over pi/2 and 3pi/2. In both of those cases the value of sin(x)neither increases nor decreases as x increases .
Same here. Everything else is correct.
 
  • #4
Phys12
352
41
I would quibble over pi/2 and 3pi/2. In both of those cases the value of sin(x)neither increases nor decreases as x increases .
Yeah, I also spent more time on those than others. I can see that the derivative there would be a horizontal straight line. Fine, thank you! :smile:
 

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