Prelude> asin(1/sqrt(2)) * 180 / pi
45.0

asin is taking a ratio and returning an angle in radians, and I've converted it to degrees to show that clearly.

Graham

On 20/09/2013 7:52 AM, Adrian May wrote:

Apparently not. Those are 1/sin and 1/cos. I want to supply a ratio and get an angle.

On 20 September 2013 19:40, Martin Ruderer <martin.ruderer@gmail.com> wrote:

Hello Adrian,

those would be called asin and acos.

Best regards,

Martin

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