Question : tan(pi/4)-tan(-pi/4) Calculate the value 2 Evaluate tan(4π)−tan(−4π)Calculate 1−tan(−4π)Calculate More Steps Evaluate tan(−4π)Use tan(−t)=−tan(t) to transform the expression −tan(4π)Calculate the trigonometric value −1 1−(−1)If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses 1+1Solution 2 Show Solution