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Grade: 12th pass
        Need solution to cosAcos2Acos4A in terms of cos3A? Is it (1/4)cos3A
2 years ago

Answers : (1)

Gautam Kumar
11 Points
							No sin8A/8sinA using formula of continuous product of cosine .this is the the answer of cosAcos(60-A)cos60+A)
						
2 years ago
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