Question Factor the expression 151(60−180∘c) Evaluate 4−12∘cSolution 151(60−180∘c) Show Solution Find the roots c=π60Alternative Form c≈1094.268783∘Alternative Form c≈19.098593 Evaluate 4−12∘cTo find the roots of the expression,set the expression equal to 0 4−12∘c=0Move the constant to the right-hand side and change its sign −12∘c=0−4Removing 0 doesn't change the value,so remove it from the expression −12∘c=−4Change the signs on both sides of the equation 12∘c=4Divide both sides 12∘12∘c=12∘4Divide the numbers c=12∘4Solution More Steps Evaluate 12∘4Rewrite the angle More Steps Evaluate 12∘Convert into radian measure,multiply by 180∘π 12∘×180∘πCalculate 15π 15π4Rewrite the expression 4×π15Multiply the numbers π4×15Multiply the numbers π60 c=π60Alternative Form c≈1094.268783∘Alternative Form c≈19.098593 Show Solution