Question
a.
\(K_p=\frac{1}{tan^2 (45°+\frac{φ}{2})} \)
b.
\(K_p=tan^2 (45°+\frac{φ}{2})\)
c.
\(K_p=sin^2 (45°+\frac{φ}{2})\)
d.
\(K_p=\frac{1}{cot^2 (45°+\frac{φ}{2})} \)
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