SOLUTION: Using the sum or difference formulas, find the exact value of sin(255°). Express your answer in the form sin(255°)=-sqrt(a)(sqrt(b)+1)/4 for some numbers a and b.

Algebra ->  Trigonometry-basics -> SOLUTION: Using the sum or difference formulas, find the exact value of sin(255°). Express your answer in the form sin(255°)=-sqrt(a)(sqrt(b)+1)/4 for some numbers a and b.      Log On


   



Question 1060238: Using the sum or difference formulas, find the exact value of sin(255°). Express your answer in the form sin(255°)=-sqrt(a)(sqrt(b)+1)/4 for some numbers a and b.
Answer by Edwin McCravy(20056) About Me  (Show Source):