If sinh ⁡u= tan ⁡ , then cosh ⁡u is equal to

Question

Accepted Answer

Correct answer: B. (b) Since, given sinh ⁡u= tan ⁡ ⇒ tan ⁡ = sinh ⁡u ⇒ tan ⁡ = cosh^2 ⁡u-1 ( cosh^2 ⁡x- sinh^2 ⁡x=1) ⇒ cosh ⁡u= 1+ tan^2 ⁡ ⇒ cosh ⁡u= sec ⁡

$If sinh u = tan θ, then cosh u is equal to$

Solution

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