SOLUTION: I can't remember anything from high school trig. I'm trying to find alpha. tan(alpha)=tan(gamma)sin(beta) tan(alpha)=tan(85º)sin(25º) the book gives me the answer but I canno

Algebra ->  Trigonometry-basics -> SOLUTION: I can't remember anything from high school trig. I'm trying to find alpha. tan(alpha)=tan(gamma)sin(beta) tan(alpha)=tan(85º)sin(25º) the book gives me the answer but I canno      Log On


   



Question 611964: I can't remember anything from high school trig. I'm trying to find alpha.
tan(alpha)=tan(gamma)sin(beta)
tan(alpha)=tan(85º)sin(25º)
the book gives me the answer but I cannot figure out how to get the answer:
tan(alpha)=(0.1788701724)(-0.1323517501)
tan(alpha)=-0.0236737804
the book gives the answer as alpha = 78º

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
tan(alpha)=tan(gamma)sin(beta)
tan(alpha)=tan(85º)sin(25º)
the book gives me the answer but I cannot figure out how to get the answer:
tan(alpha)=(0.1788701724)(-0.1323517501)
tan(alpha)=-0.0236737804
-----------------
sin(25) =~ 0.4226
You have the sin of 25 radians