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If $\cos(\frac{\pi}{10}) = \sin(\theta)$ and $0 < \theta < \frac{\pi}{2}$, then \(\theta = \) radians

          If $\cos(\frac{\pi}{10}) = \sin(\theta)$ and $0 < \theta < \frac{\pi}{2}$, then \(\theta = \) radians
        
If cos((π)/(10)) = sin(θ) and 0 < θ < (π)/(2), then θ = radians

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Precalculus with Limits
Precalculus with Limits
Ron Larson 2nd Edition
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If cos((pi )/(10))=sin( heta ) and 0< heta <(pi )/(2), then heta = radians If cos 7T =sin)and0<< then ) radians
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Transcript

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00:01 So tangent of theta is 2 and theta is between pi and 3 pi over 2.
00:09 So that's another way of saying 2 over 1 and between pi and 3 pi over 2 means my angle is in quadrant 3.
00:21 I have the opposite and the adjacent sides.
00:26 So just use pythagorean theorem to find that missing side which is the hypotenuse.
00:32 So that is radical 5...
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