Question: Show that the chord length in the E-plane plot of Figure 14.4 is equal to b sin θ, where b is the circle diameter. dA

Show that the chord length in the E-plane plot of Figure 14.4 is equal to b sin θ, where b is the circle diameter.

dA = r-dQ = r² sinOd@do

dA = r-dQ = r sinOd@do

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