Question: 1. show full work clearly please! Find the first and second derivatives of the following function: f(x) = -2cos'4x (10 marks)Find the equation of the

1. show full work clearly please! Find the first and second derivatives of the following function: f(x) = -2cos'4x (10 marks)Find the equation

1. show full work clearly please!

x at the point where x = 6 in exact form. (6

Find the first and second derivatives of the following function: f(x) = -2cos'4x (10 marks)Find the equation of the tangent to the curve y = 2 sinx + sin x at the point where x = 6 in exact form. (6 marks)

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