Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

C3 Trig differentiation Exam question

From part a) I got 4(1+tan^(2)4x) but I'm having trouble proceeding with part b) even after checking the mark scheme, can anyone help me out, thanks :smile:

:smile:

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Original post by Dungey95

From part a) I got 4(1+tan^(2)4x) but I'm having trouble proceeding with part b) even after checking the mark scheme, can anyone help me out, thanks :smile:

:smile:

Posted from TSR Mobile

So you need to differentiate

4 + 4\tan ^24x

I assume the 4 is ok

Use the chain rule and the previous part to differentiate

(\tan 4x)^2

OP

Original post by TenOfThem

So you need to differentiate

4 + 4\tan ^24x

I assume the 4 is ok

Use the chain rule and the previous part to differentiate

(\tan 4x)^2

Of course, thanks for clearing that up :smile:

:smile:

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