If sec A- tan A=x
prove that.
x^2+1/x-1 = -cosec A
please help me soon :)
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Sec A + Tan A =p
(SecA)^2 - (TanA)^2 = 1
(Sec A + Tan A)*(Sec A - Tan A)=1
Sec A - Tan A = 1/p
solving
Sec A = (p^2+1)/2p
Tan A = (p^2–1)/2p
Cosec A = 1/sin A = Sec A/Tan A = (p^2+1)/(p^2–1)
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(SecA)^2 - (TanA)^2 = 1
(Sec A + Tan A)*(Sec A - Tan A)=1
Sec A - Tan A = 1/p
solving
Sec A = (p^2+1)/2p
Tan A = (p^2–1)/2p
Cosec A = 1/sin A = Sec A/Tan A = (p^2+1)/(p^2–1)
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