I am having trouble Differentiating the following with respect to ∅. Can you show me the steps I need to take to get the given correct answer please.(adsbygoogle = window.adsbygoogle || []).push({});

z = ((A+B)/2) + ((A-B)/2)Cos2∅ + C Sin2∅

The correct answer is

Tan2∅ = (2C)/(A-B)

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# Differential Equation

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