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Contents
Quiz
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Quiz  Integrate
the following with respect to x.
sin4x
sec x
Scroll
down the page for answers.
Note:
The main identity used here is the double angle formula for cosine.
Note:
This question requires much observation and careful consideration. We try to
create a fraction such that the numerator is the derivative of the
denominator. This method is also used for the integration of the cosecant
function. Try it!
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