Create an identity and find the formula for cos (3θ) in terms of cos (θ) and sin (θ) using de Moivre’s Theorem and test the identity with real values to confirm its validity.
Scenario: You are working as an Engineering Research Technician in a research and development laboratory where good analytical skills and understanding of mathematics is essential for everyday work. Your line manager has informed you that you need to improve and update your present Mathematical skills to work effectively & contribute to the research team. The […]