fatbillybobjoe
fatbillybobjoe fatbillybobjoe
  • 08-05-2017
  • Mathematics
contestada

Given cos(A) = −12/13, with A in quadrant II, and tan(B) = 3/4, with B in quadrant III, which of these is sin(A+B)?

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EEPJR
EEPJR EEPJR
  • 08-05-2017
sin(A+B) = 16/65 see photo for solution
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