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1:- 9-sec2A-9tan2A=? 2:-(1+tan theeta +sec theeta)(1+cot theeta- cosec theeta)=? 3:- (Sec A+ tanA)(1-sin A)=?

Answer» 1:- 9-sec2A-9tan2A=? 2:-(1+tan theeta +sec theeta)(1+cot theeta- cosec theeta)=? 3:- (Sec A+ tanA)(1-sin A)=?


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