explain the question
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In this question we have substitute x as pi/2
We know that sin 180 = 0
So we have to some work on this problem so that the denominator should not be zero. and we want and must get a real no.
That is the overall approach of the question.
Just ho on expanding sin2x cos2x cot3x by using the trigonometric functions to get a real number as the answer.
I will try to do it if I get it I will post it within 10 mins.
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