Question Factor the expression 121(120−180∘c) Evaluate 10−15∘cSolution 121(120−180∘c) Show Solution Find the roots c=π120Alternative Form c≈2188.537567∘Alternative Form c≈38.197186 Evaluate 10−15∘cTo find the roots of the expression,set the expression equal to 0 10−15∘c=0Move the constant to the right-hand side and change its sign −15∘c=0−10Removing 0 doesn't change the value,so remove it from the expression −15∘c=−10Change the signs on both sides of the equation 15∘c=10Divide both sides 15∘15∘c=15∘10Divide the numbers c=15∘10Solution More Steps Evaluate 15∘10Rewrite the angle More Steps Evaluate 15∘Convert into radian measure,multiply by 180∘π 15∘×180∘πCalculate 12π 12π10Rewrite the expression 10×π12Multiply the numbers π10×12Multiply the numbers π120 c=π120Alternative Form c≈2188.537567∘Alternative Form c≈38.197186 Show Solution