We are being asked to find the eq's for normal, osculating, and rectifying planes for the following equation:(adsbygoogle = window.adsbygoogle || []).push({});

r(t) (cos t)i + (sin t)j - k @ t=pi/4

I have already found the following:

T(pi/4) = (-√2/2)i + (√2/2)j = 0k

N(pi/4) = (-√2/2)i + (-√2/2)j + 0k

B = 0i + 0j + k

But, I don't know where to start for those three equations.

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# Equations for normal, osculating, and rectifying planes

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