Prove that
( 1- tan theta / 1- cot theta) ² =tan ² theta
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by taking L.H.S.
put cot tetha = 1/tan tetha
then just take Lcm
now take - sign common
(- tan tetha ) ^2
= tan ^2 tetha
R.H.S
hence proved
put cot tetha = 1/tan tetha
then just take Lcm
now take - sign common
(- tan tetha ) ^2
= tan ^2 tetha
R.H.S
hence proved
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