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Prove that: sqrt((1+cosA)/(1-cosA))=cose...

Prove that: `sqrt((1+cosA)/(1-cosA))=cosecA+cotA`

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Prove that sqrt((1+cosA)/(1-cos A))=cosecA+cot A

Prove that sqrt((1+cosA)/(1-cosA))=("cosec"A+cotA).

Prove that: sqrt((1+cosA)/(1-cosA))={:("cosec"A+cotA, if 0ltAltpi),(-"cosec"A-cotA, if pi lt A lt 2pi):}

Prove that: sqrt((1+cosA)/(1-cosA))={:("cosec"A+cotA, if 0ltAltpi),(-"cosec"A-cotA, if pi lt A lt 2pi):}

Prove that: i) sqrt((1-cosA)/(1+cosA))="cosec"A-cotA ii) sqrt((1+sinA)/(1-sinA))=secA-tanA

Prove that: i) sqrt((1-cosA)/(1+cosA))="cosec"A-cotA ii) sqrt((1+sinA)/(1-sinA))=secA-tanA

Prove that (1+cosA)/(1-cosA)=("cosec" A+cotA)^(2)

Prove that : sqrt((1+cosA)/(1-cosA))+sqrt((1-cosA)/(1+cosA))=2 "cosec"A

Prove that : sqrt((1+cosA)/(1-cosA))+sqrt((1-cosA)/(1+cosA))=2" cosec"A

Prove that tan"A/2=sqrt((1-cosA)/(1+cosA)