Question: solve d. y = cos(2x) (2 marks) 8. Differentiate the following trigonometric functions. Simplify where possible and record your final answer in terms of sin

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d. y = cos(2x) (2 marks) 8. Differentiate the following trigonometric functions. Simplify where possible and record your final answer in terms of sin x and/or cosx. COS X a. V= 1 + sin x (3 marks) b. y =4 sec xsin* x (4 marks)

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