Can some help me for number 25 where it says Evaluate this simplified polynomial for a=4 and b =-1. I don't understand it correc
tly please help man 
2 answers:
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So you need to use the inverse tan to find the measure of angle c.
So since tan is opposite over adjacent.
You get the inverse tan of 6/8. And you get 36.87 degrees.
So since tan is opposite over adjacent.
You get the inverse tan of 6/8. And you get 36.87 degrees.
