CBSE BOARD X, asked by danika1806, 9 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:

The answer to the question is

60

Answered by rdxdukeborngenius

4

Explanation:

mark brainiest answer brother please

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