plz solve this problem immediately plz plz plz plz plz
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Answer:
LHS
(1-cosA)(1-cosA)/(1+cosA)(1-cosA)
=(1-cosA)^2/1-cos^2A
=1+cos^2A-2cosA/sin^2A
=1/sin^2A+cos^2A/sin^2A-2cosA/sin^2A
=Cosec^2A+cot^2A-2×cotA×cosecA
=(cosecA-CotA)^2
RHS:
(CosecA-cotA)^2
thereforeLHS=RHS
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