For any two nonzero elements x and y in an inner product space X, define the angle
Question:
for 0 ¤ θ ¤ n. Show that
1. - 1 ¤ cos θ ¤ 1
2. x ¥ y if and only if 0 = 90 degrees
The angle between two vectors is defined by (7) corresponds to the familiar notion of angle in 2 and 3.
Transcribed Image Text:
x/y cos θ =
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