graceheronstairs
graceheronstairs graceheronstairs
  • 16-06-2018
  • Mathematics
contestada

sin (a+b) = sin a cos b- cos a sin b for all values of a and b. true or false?

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yacine78941 yacine78941
  • 20-06-2018
Sin (a+b) = sin a cos b + cos a sin b
so False
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