The induced drag (Di ) in terms of lift per unit span (L ) for a finit – McqOptions

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1.	The induced drag (Di ) in terms of lift per unit span (L ) for a finite wing is_____
A.	Di =L sin sin <sub>i</sub>
B.	Di =L <sub>i</sub>
C.	Di = L <sub>i</sub>
D.	Di =L cos cos <sub>i</sub>
Answer» B. Di =L <sub>i</sub>

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