Abbycangelosi Abbycangelosi
  • 30-01-2020
  • Mathematics
contestada

given sina = 3/5 and sinB=5/13 find cos(a-B):____
a). 14/65
b). 33/65
c). 63/65
explain ?

Respuesta :

hailylaynem
hailylaynem hailylaynem
  • 30-01-2020
I’m pretty sure the answer is C
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