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Prove that : (ii) (1)/(1-sinA)-(1)/(1+sinA)=2secAtanA`
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Prove that : (i) `(1)/(1-cosA)+(1)/(1+cosA)=2\"cosec\"^(2)A \" \" (ii) (1)/(1-sinA)-(1)/(1+sinA)=2secAtanA`
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Prove that : (ii) (1)/(1-sinA)-(1)/(1+sinA)=2secAtanA`
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prove that 1/(1-sinA) -1/(1+sinA) =2tanA.secA#trigonometry triconemity#math .
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2sinA(1+sinA)/1+sinA+cosA is equal to
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Trigonometry solution secA-tanA upon secA+tana=1-2secAtanA+2 tan^2A
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Prove that secA-tanA/secA+tanA=cos^2A/(1+sinA)^2
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#Trigonometry 1/CotA(1-CotA)+1/tanA(1-tanA)=CosecA. SecA+1,Trigonometry
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RD Sharma Class 10 EX 11.1 Q 19: Prove that: secA-tanA/secA+tanA = cos^2A/(1+sinA)^2
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10th ICSE.. sec⁴A + tan⁴A = 1 + 2 tan²A
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