Prove }\operatorname{cos}6x=32\operatorname{cos}^6x-48\operatorname{co – InterviewSolution

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1.	Prove }\operatorname{cos}6x=32\operatorname{cos}^6x-48\operatorname{cos}^4x+18\operatorname{cos}^2x-1
Answer» Prove }\operatorname{cos}6x=32\operatorname{cos}^6x-48\operatorname{cos}^4x+18\operatorname{cos}^2x-1

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