linda
  • linda
cos2theta + sin^2theta =1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
umm..yes, that is true was that the question?
linda
  • linda
yeah, i dont know how to solve it
anonymous
  • anonymous
you dont solve it its an identity lol

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anonymous
  • anonymous
it's a rule you don't need to solve it. it's true
anonymous
  • anonymous
or if you want a solution, then \[ \theta \in \mathbb{R} \]
anonymous
  • anonymous
theta is any real number
anonymous
  • anonymous
bit of a strange question , but yeh, thats probably what they were trying to get at , nevertheless and pretty bad question, the teacher wasnt thinking too hard when they made that
anonymous
  • anonymous
elecengineer, take a look at michellej's question will you? trig id
anonymous
  • anonymous
I know its an identity. but it holds ( solves ) for all real thetas I am not an idiot :|
anonymous
  • anonymous
???? i'm asking for help??? when did i call you an idiot..... i'm asking if you would look at michellej's question caz i don't get it...

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