Prove that secA-tanA/secA+tanA=(1-2secAtanA+2tan^2A)
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hope this helps....
if u don't understand any step don't report..
first tell me so I can edit and make u understood...
and if understand mark as brainlist plzz
if u don't understand any step don't report..
first tell me so I can edit and make u understood...
and if understand mark as brainlist plzz
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