Question Factor the expression 361(1980−13πf) Evaluate 55−65∘fSolution 361(1980−13πf) Show Solution Find the roots f=13π1980Alternative Form f≈2777.759219∘Alternative Form f≈48.481044 Evaluate 55−65∘fTo find the roots of the expression,set the expression equal to 0 55−65∘f=0Move the constant to the right-hand side and change its sign −65∘f=0−55Removing 0 doesn't change the value,so remove it from the expression −65∘f=−55Change the signs on both sides of the equation 65∘f=55Divide both sides 65∘65∘f=65∘55Divide the numbers f=65∘55Solution More Steps Evaluate 65∘55Rewrite the angle More Steps Evaluate 65∘Convert into radian measure,multiply by 180∘π 65∘×180∘πCalculate 3613π 3613π55Rewrite the expression 55×13π36To multiply the fractions,multiply the numerators and denominators separately 13π55×36Multiply the numbers 13π1980 f=13π1980Alternative Form f≈2777.759219∘Alternative Form f≈48.481044 Show Solution