sec^2 tita - sec^2 tita=......
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sec²theta -sec²theta =0
edit:
moderators r saying to show explanation .
can't u understand just a simple thing .
it same as 1-1=0
edit:
moderators r saying to show explanation .
can't u understand just a simple thing .
it same as 1-1=0
divyansh101dabral:
explain working
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