raghunathsarah raghunathsarah
  • 08-03-2018
  • Mathematics
contestada

Fill the blank

___sinb=(1)/(2)[sin(a+b)-sin(a-b)]

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arsalmani7110 arsalmani7110
  • 08-03-2018
Sin b=1/2
Sin(a+b)-sin(a-b)
Sina+Sinb-Sina+Sinb
2Sinb
2×1/2
=1
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