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Question Number 13626 by tawa tawa last updated on 21/May/17
Provethatcosech−1(x)=sinh−1(1x)
Answered by mrW1 last updated on 21/May/17
u=cosech−1(x)⇒x=2eu−e−u⇒1x=eu−e−u2v=sinh−1(1x)⇒1x=ev−e−v2⇒eu−e−u2=ev−e−v2⇒u=v⇒cosech−1(x)=sinh−1(1x)
Commented by tawa tawa last updated on 21/May/17
Godblessyousir.
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