âˆ†DEF is right angled at E. If secD = 17/8, then what is the valu – McqOptions

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1.	âˆ†DEF is right angled at E. If secD = 17/8, then what is the value of cosF?_x005F_x000D_
A.	15/17_x005F_x000D_
B.	15/8_x005F_x000D_
C.	8/17_x005F_x000D_
D.	17/15
Answer» B. 15/8_x005F_x000D_

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