Need help with algebra 2 workbook problems! Will fan and medal and testimonial!!!

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Need help with algebra 2 workbook problems! Will fan and medal and testimonial!!!

Mathematics
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Other answers:

To 15
31-33
18 problems in all
@n648c788 can you help?
yes I am reviewing some rules
Ok
1.) amplitude is heights so it is 2 or -2 dosent matter period is 1/ frequency, so count wavelenghts 1/2=.5
2.) is not periodic
make sense
Yes, thank you!
3-5 substact and add the value to 360 3-32+360 -32-360 make sense
What if its negative, then would I add?
- - add numbers - + subtract numbers
Still confused. Could you give an example with end result so I can see the process?
-32+360= 328 -32- 360=-396
-229+360=131 -229-360=-589
Are thos both the answer. Like the answer is two numbers or pick the one thats positive?
its both because it is not specify +, - value wanted
5. 375 is not between 0 and 360
Ok, thanks! I think I got it now!
Awseome!
Theres no answer for number then?
5
yes good job
Thanks!
How do I do 6 through 8?
6.) conversion degree to radians is angle *2Pi/360 -225*2pi/360= -3.92 radians terms of pie-1.25pi- we just did not multiply pie but we multiplied and divided
7.) 120*2pi/360= 2.09 radians terms of pie= .667pi
make sense
Yes, much!
8.)600*2pi/360=10.47radians terms of pie= 3.33pi
9-11 we are going backwards
Ok
Can you show me an example?
9.) 5pi/6 *180/pi =150 degress 10.) -2.5pi *180/pi= -450 degress 11.) .8*pi/180 = .01396pi .01396pi*180/pi=5 degrees
6-8 do value* pi/360
Okay, thanks! I understand how to do that from now on too!
ok awseome!
12. also?
I dont know about 12
Ok because I can not see the graph
13. then
Heres a better pic
K
1 cycle, amplitude is 2, period is 1
make sense
like when we did number 1
Yes
ok next one
Ok
y=4sin(2x) 4=amplitude sine period is 2Pi, period formula is 2pi/b, b=2 period=pi now graph
|dw:1433184729036:dw|
Thats what I g8t too!
14.) y=2sin(4x) Amplitude =2 Period=pi/2 Awseome
|dw:1433185086586:dw|
make snse
Yes
I need 15 and 31-33 I have the rest already
kk
15 do you want the points where cos 1/2 is at
No, just the answer in the interval from 0 to 2 pi
x= pi/3, 5pi/3
cos 1/2 is the x value on the unit circle, look at all values where cos is 1/2
For number 15?
yes
8kay,
our you can look at it this way, first value is pi/3, so we do 2pi-pi/3 and get 5pi/3 because 0-2pi interval
Okay, and numher 31 is just like 13?
exactly!
32.) remember the conversion
Perfect champ!
Yay!
Can you explain 32?
32.) angle *pi/180= radians, #pi*180/pi= degrees
formulas
Okay thanks! That helped alot. Just need 33
Ok hold on
33.) 3pi/4= 135degrees 2pi 18*135/360= 42.4inches
Hope you understood everything champ!
Thank you sooo much for all the help and not just giving straight answers but actually taking the time to explain. Fanned and medal! Will write testimonial tonight! :)
And thank you for the enccouraging words!!!
Awesome I appreciate it very much, keep studying hard!
Take care and np!
Could you help me with some more problems? @n648c788

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