Question: a. Here is a pictorial proof that sec -1 (-x) = - sec -1 x. See if you can tell what is going on.

a. Here is a pictorial proof that sec-1 (-x) = π - sec-1 x. See if you can tell what is going on.-X EN 0 y = sec x 1 X


b. Derive the identity sec-1 (-x) = π - sec-1 x by combining the following two equations from the text:image

-X EN 0 y = sec x 1 X

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