cosec^2A=2cotA, Find the A
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1+cot^2A=2cotA
1+cot^2A-2cotA=0
(cotA-1)^2=0
cotA=1
A is 45 degree
1+cot^2A-2cotA=0
(cotA-1)^2=0
cotA=1
A is 45 degree
JoydipGhosh:
wrong answer
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