show that (cosecA-cotA
)2=1-cosA/1+cosA
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Answered by
7
Solution :-
Consider RHs
Writing cosecA and cotA in terms of cosA and sinA
[ Because sin²A = 1 - cos²A ]
It can be written as
[ Because x² - y² = (x + y)(x - y) ]
= RHS
LHS = RHS
Hence proved.
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3
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