CBSE BOARD X, asked by danika1806, 7 months ago

if a = 30 degree verify that cos 3A = cos 2A into Cos A minus sin 2A into sin a​

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Answered by poojitkumarkoribilli
1

Answer:

  1. The answer to the question is
  • 60
Answered by rdxdukeborngenius
4

Explanation:

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