- Show : (x - 2cos20)(x + 2cos40)(x + 2cos80) = x³ - 3x - 1. ... ...?

Discover Questions

What is the pH and the pOH of a solution made by adding water to 15 grams of hydroiodic acid until the volume of the solution is 25000 mL? Consider the following mechanism:
A+X -> AX
AX+B -> C+X
(a) X is acting as a -
(B) give the overall equation of the reaction? Right know I have asma but I forgot my medicine.i can’t call mom and my dad they can’t pick me up what I’m supposed to do? What is the domain of f/g if f(x)=x+8, and g(x)=x-3? is it (negative infinity, 3) union (3, positive infinity)? Roberto Tello G-mail?