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OpenStudy (unbelievabledreams):
Confusing math question
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OpenStudy (anonymous):
There is no value of theta in cos(theta) that would equal 4. So you are right, it is undefined.
OpenStudy (anonymous):
It is not correct.
OpenStudy (anonymous):
Your equation equals \[(sinx+1)(sinx+1)=0\] Understand how I got that? And know how to solve this?
OpenStudy (unbelievabledreams):
Yes, you factored it. I solved it. It is 3pi/2, right?
OpenStudy (anonymous):
Yea, that is the only theta in the interval [0,2pi] where sinx=-1
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OpenStudy (unbelievabledreams):
Are there suppose be two? How about -pi/2?
OpenStudy (anonymous):
Interval is [0,2pi] -2pi is less than 0.
OpenStudy (anonymous):
interval is in x
OpenStudy (anonymous):
i mean theta lol
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