Posted by **Ali** on Sunday, October 30, 2011 at 12:33am.

1. The csc^-1(1.23)

I got 1.061 in radian mode

2. Cot^-1(-2.26)

I got 0.8240 in radians

3. Cos^-1(-0.84)

I got 2.568

Are these correct?

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