cosec A +1 / cosec A -1 =(Sec A + tan A)^2
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Step-by-step explanation:
csc(2x) tan(x) = sec^2(x)
and
csc(x) = [cot(x)]/[cos(x)]
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
2 csc(2x) tan(x) = sec^2(x)
start with left side:

verified: left side=right side
and
csc(x) = [cot(x)]/[cos(x)]
start with right side:

verified: right side = left side
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