TranggEmm1711 TranggEmm1711
  • 23-07-2021
  • Mathematics
contestada

Sin(a+b)=?
Cos(a+b)=

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devhdesai6505
devhdesai6505 devhdesai6505
  • 23-07-2021

Answer:

sin (a+b)= sina*cosb - sinb*cosa

cos (a+b) = cosa*cosb + sina*sinb

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tram31322 tram31322
  • 23-07-2021

Answer:

sin (A + B) = sin A cos B + cos A sin B

cos (A + B) = cos A cos B - sin A sin B

on:

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