bukalyan68 bukalyan68
  • 18-08-2021
  • Mathematics
contestada

cosA.cosB-sin. is same aso Sin * (A + B) b. Sin * (A - B) d. Cos * (A - B) c. Cos * (A + B)
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JeremyMichelyn
JeremyMichelyn JeremyMichelyn
  • 18-08-2021

Sorry i think like that the answer n sorry my write bad.

Thaks for your poin

Ver imagen JeremyMichelyn
Ver imagen JeremyMichelyn
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