In \[\Delta ABC,\]if \[a=16,b=24\] and \[c=20,\]then \[\cos \frac{B}{2}=\] [MP PET 1988]

In \[\Delta ABC,\]if \[a=16,b=24\] and \[c=20,\]then \[\cos \frac{B}{2

1.	In \[\Delta ABC,\]if \[a=16,b=24\] and \[c=20,\]then \[\cos \frac{B}{2}=\] [MP PET 1988]
A.	44289
B.	44287
C.	44228
D.	44256
Answer» B. 44287

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In \[\Delta ABC,\]if \[a=16,b=24\] and \[c=20,\]then \[\cos \frac{B}{2}=\] [MP PET 1988]

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