kasilik kasilik

10-12-2018
Mathematics

contestada

sin ( pi/4 - B) =

Please explain!

Respuesta :

chloedonyes chloedonyes

19-12-2018

Answer:

sqrt2/2 ( cos b - sin b)

Step-by-step explanation:

I know thats the answer but I have no idea how you solve to get it. Im looking for help too.

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