Math, asked by anushkakalligudda3, 6 days ago

if theta = 30° prove that 4cos^2 theta -3 cos theta = cos 3 theta

Answers

Answered by devindersaroha43

0

Answer:

Step-by-step explanation:

If SIn theta +sine^2 theta +sine^3theta =1 then prove Cos^6 theta -4cos ^4 theta =8 cos^2 theta =4

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