UnbelievableDreams
  • UnbelievableDreams
Confusing math question
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
There is no value of theta in cos(theta) that would equal 4. So you are right, it is undefined.
anonymous
  • anonymous
It is not correct.
anonymous
  • anonymous
Your equation equals \[(sinx+1)(sinx+1)=0\] Understand how I got that? And know how to solve this?

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UnbelievableDreams
  • UnbelievableDreams
Yes, you factored it. I solved it. It is 3pi/2, right?
anonymous
  • anonymous
Yea, that is the only theta in the interval [0,2pi] where sinx=-1
UnbelievableDreams
  • UnbelievableDreams
Are there suppose be two? How about -pi/2?
anonymous
  • anonymous
Interval is [0,2pi] -2pi is less than 0.
anonymous
  • anonymous
interval is in x
anonymous
  • anonymous
i mean theta lol

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