itsme19
itsme19
09-05-2017
Mathematics
contestada
trig help ...............
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EEPJR
EEPJR
09-05-2017
letter D
A = 135°
B = 30°
cosAcosB - sinAsinB = cos(A+B)
cos(135°+30°)
cos(165°)
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Username314
Username314
09-10-2019
Answer: D
Step-by-step explanation:
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