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˜ G(4, 2) AND 2-PLANE BUNDLES 1. The Grassmannian ˜ G(4, 2) Let ˜
File Format: PDF/Adobe Acrobat - View as HTML G(4, 2) is an oriented 2-plane in R. 4 . The metric on R. 4 then gives a unique 2-plane E orthogonal to E, oriented so that the orientations on E and ...
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The unit circle and special angles
Now that you have your final, carefully drawn unit circle with all angles and all x and y axes labelled, you can easily look up, for example $\sin(7\pi/6)$ ...
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