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If cos alpha cosh beta = 1, then beta =...

If cos `alpha` cosh `beta` = 1, then `beta` =

A

`"log sec"alpha/2`

B

`"log tan "alpha`

C

`"log "(sec alpha + tan alpha)`

D

`"log sin"alpha/2`

Text Solution

Verified by Experts

The correct Answer is:
C
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