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Grade 12Integral Calculus

how to solve this question without dividing by cos^4x in numerator and denominator.some other method to solve this ques

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Profile image of akasa
6 Years agoGrade 12
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Profile image of Vikas TU
6 Years ago
Dear student 
There is no other way , you have to divide it by  cos^4x in numerator and denominator , If not then expansion of 4th power term will be very difficult to handle. 
Hope this helps 
Good luck