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Prove that `1+tanA Tan(A/2)=tanA cot(A/2)-1=secA`.
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Prove that `1+tanA Tan(A/2)=tanA cot(A/2)-1=secA`.
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Prove that: (1+tanA-secA)×(1+tanA+secA)=2 tanA. TRIGONOMETRY @khajaacademymathematica1729
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`1+tanAtan(A/2)=tanAcot(A/2)-1=secA`.
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Prove that : tanA / 1+secA - tanA / 1-secA = 2cosecA
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Proof for TanA+CotA =2Cosec2A. ,CotA-TanA=2Cot2A
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Prove the trigonometric identity (1+cotA-cosecA)(1+tanA+secA)=2. (1+cotA-cosecA)(1+tanA+secA)=2.
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1+tan2a=sec2a//1 + tan^2 theta = ?Prove that 1+ tan^2(θ)=sec^2(θ)
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Prove that tanA/(1+secA) - tanA/(1-secA) = 2cosecA | Important question of trogonometry | class 10
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`1+ tan A tan .(A)/(2)= tan A cot (A)/(2) -1 =sec A`
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`cotA=1/2(cot(A/2)-tan(A/2))`
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Prove that (1+cota+tana)(sina-cosa)=seca/cosec^2a-coseca/sec^2a=sina.tana-cota.cosa | Trigonometry |
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