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

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

Simplify: sqrt((1+cosA)/(1-cosA))

1/(cosecA+cotA)=cosecA-cotA

Simplify: sqrt((1-cosA)/(1+cosA))

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

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

Prove: sqrt((1-cosA)/(1+cosA))+sqrt((1+cosA)/(1-cosA))=2 cos e c A