bhumikaghimire992
bhumikaghimire992 bhumikaghimire992
  • 20-12-2020
  • Mathematics
contestada

sin2A-sin2B+sin2C=4cosA×sinB×cosC
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Аноним Аноним
  • 20-12-2020

Answer:

Step-by-step explanation:

mark as brainliest!!! this is not a video i sent a screenshot instead

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