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February 26, 2015

February 26, 2015

Posted by **Nikki** on Sunday, March 8, 2009 at 12:51pm.

1) csc x and sin x

2) tan x and cot x

3) cos^-1 and cos x

4) ln x and e^x

A. All of these

B. 1 and 2

C. 1,2, and 3

D. 3 and 4

I know it's not all of them...but I'm leaning toward B. Help please?

Thank you!

- Math -
**Count Iblis**, Sunday, March 8, 2009 at 12:58pmB is indeed correct. If two functions are multiplicative inverses then that means that the product of the two functions equals 1.

Note that cos^(-1) denotes the functional inverse of cos, so this not the same as 1/cos(x).

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