If in a ΔABC, a = 8, b = 15 and c = 17, then the value of cos A will – McqOptions

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1.	If in a ΔABC, a = 8, b = 15 and c = 17, then the value of cos A will be
A.	\(\frac{{8}}{{15}}\)
B.	\(\frac{{15}}{{17}}\)
C.	\(\frac{8}{{17}}\)
D.	\(\frac{{17}}{{20}}\)
Answer» C. \(\frac{8}{{17}}\)

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