A few days ago
find the derivative of h(x)=sin 2x cos 2x?
the answer given in the back of the text book is 2 cos(4x).
i need to see the WORK SHOWN to reach this answer from the above question. thank you.
🙂
Top 1 Answers
A few days ago
Favorite Answer
The simplest method is to use the formula:
sin(2a) = 2sin(a)cos(a).
Thus:
h(x) = sin(2x)cos(2x)
= sin(4x) / 2
h'(x) = 4cos(4x) / 2
= 2cos(4x).
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