then find the value of :-
cotα.cot2α.cot3α...cot((2n−1)α)
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I think correct question is :
then find the value of :-
Solution :
Given,
To Find:
Value of :
Now,
★ In the expression there is given a general term.
and,
In a same way,
and in this sequence it goes on. . .
So,
Note :
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