2Sin^2θ-1=0

I dunno how to do this cuz of the square

any help would be appreciated.(Thinking)

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- May 22nd 2008, 07:41 PMtoxicsinaTrig Equation
2Sin^2θ-1=0

I dunno how to do this cuz of the square

any help would be appreciated.(Thinking) - May 22nd 2008, 07:45 PMo_O
$\displaystyle 2\sin^{2} \theta - 1 = 0$

$\displaystyle \text{Let } x = \sin \theta .$

You get: $\displaystyle 2x^{2} - 1 = 0$

Would you able to solve it like this ;)? - May 24th 2008, 03:10 AMdetta
The given informations related to mathematics is very useful to me. thank u for your informations.

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detta

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