itsme19
itsme19 itsme19
  • 09-05-2017
  • Mathematics
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trig help ...............

trig help class=

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EEPJR
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 Username314
  • 09-10-2019

Answer: D

Step-by-step explanation:

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