I'm finding the exact values of the following expressions.

1. =

2. =

3. =Undefined

4. =

5. = Undefined

Thank You

Jason

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- Jun 18th 2008, 12:33 PMDarkhrse99Will someone check my triq answers please!
I'm finding the exact values of the following expressions.

1. =

2. =

3. =Undefined

4. =

5. = Undefined

Thank You

Jason - Jun 18th 2008, 12:41 PMMoo
- Jun 18th 2008, 12:49 PMChris L T521Quote:

Originally Posted by**Darkhrse99**http://www.mathhelpforum.com/math-he...s/viewpost.gif

*I'm finding the exact values of the following expressions.*

1. http://www.mathhelpforum.com/math-he...9153e5ad-1.gif = http://www.mathhelpforum.com/math-he...047f43ec-1.gif << SiMoon says : eh.. -7pi/3=-pi-pi/3, that is to say it's in the 3rd quadrant ---> sine is negative. Chris says it's in the 4th quadrant. -7pi/3=-2pi-pi/3 -----> sine is still negative (As Moo correctly stated)

2. http://www.mathhelpforum.com/math-he...d753fd61-1.gif= http://www.mathhelpforum.com/math-he...695c9f52-1.gif << SiMoon says : it's rather http://www.mathhelpforum.com/math-he...33e7f39d-1.gif eh ? Check the code =)

3. http://www.mathhelpforum.com/math-he...05ff852a-1.gif=Undefined << SiMoon says : is 0 undefined ? http://www.mathhelpforum.com/math-he...91e4e883-1.gif ---> ...

4. http://www.mathhelpforum.com/math-he...ec74b973-1.gif= http://www.mathhelpforum.com/math-he...d1d82c88-1.gif << SiMoon says : I find -2.

5.http://www.mathhelpforum.com/math-he...4886f46f-1.gif= Undefined << SiMoon says : I find 1

Thank You

Jason

(Sun)

- Jun 18th 2008, 12:53 PMMoo
- Jun 18th 2008, 12:55 PMChris L T521
- Jun 18th 2008, 01:03 PMMoo
- Jun 18th 2008, 01:08 PMDarkhrse99
For #2. the point are Which gives the answer , Right?

- Jun 18th 2008, 04:31 PMDarkhrse99
I don't see how you get -2 for the 2nd problem?