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swissgirl
 one year ago
Best ResponseYou've already chosen the best response.1can theta=0 ? Like is is\[ 0< \theta <\Pi\] Or \[ 0 \leq \theta \leq \Pi\] ?

Abdallah2012
 one year ago
Best ResponseYou've already chosen the best response.00<θ<2Π has to be between this interval

RED123url
 one year ago
Best ResponseYou've already chosen the best response.1use substitution y=tan(theta/2) dw:1383969602615:dw

Abdallah2012
 one year ago
Best ResponseYou've already chosen the best response.00≤θ<2Π sorry correction, it has to be between this interval

RED123url
 one year ago
Best ResponseYou've already chosen the best response.1with a little bit of work you will find the solution

Karina1
 one year ago
Best ResponseYou've already chosen the best response.0@Mertsj what about if they have a log like for example using the graph solve the system y=2x+3 and y=logx+1 im confused cause of the log

Abdallah2012
 one year ago
Best ResponseYou've already chosen the best response.0@RED123url I am not sure what you did there...

RED123url
 one year ago
Best ResponseYou've already chosen the best response.1well y=tan(theta/2) sin(thata)= 2y/(y^2+1) cos(theta)=(1y^2)/(y^2+1) you know tan=sin/cos sec=1/cos plug things in and you will get an equation of y then go back y=tan)theta/2) and use the inverse

swissgirl
 one year ago
Best ResponseYou've already chosen the best response.1The answer is 0 but I used trial and error

Abdallah2012
 one year ago
Best ResponseYou've already chosen the best response.0@RED123url so just to confirm what swissgirl got, did you get the same answer?

swissgirl
 one year ago
Best ResponseYou've already chosen the best response.1I graphed it to confirm my answer and its def right

swissgirl
 one year ago
Best ResponseYou've already chosen the best response.1Well it is 0 and 2 pi But if you noticed the interval is \[ 0 \leq \theta < 2\pi \]

Abdallah2012
 one year ago
Best ResponseYou've already chosen the best response.0@RED123url well 2pi is not one the answers but 0 is, also according to the interval 2pi cannot be the answer..

RED123url
 one year ago
Best ResponseYou've already chosen the best response.1the real answer for these kind of problem involves n: the answer is 2npi. n can be 0 or any number even a billion

Abdallah2012
 one year ago
Best ResponseYou've already chosen the best response.0@RED123url so would you agree that in this case the answer is 0?

RED123url
 one year ago
Best ResponseYou've already chosen the best response.1if 2pi is excluded of course

Abdallah2012
 one year ago
Best ResponseYou've already chosen the best response.0well then. I am going with 0. Thank you both for your help!
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