4 sinx / cosx * cosx
4 tanx / cosx Trig identity tanx = sinx/cosx
Yes, in this way we become more open minded and take in validated ideas of others.
<span>Mc Donald’s is a popular fast food restaurant chain in America. Its humble beginning was started by Richard Mc Donald’s last 1940. Today it has been scattered in about 120 countries, with a total of 36,525 Mc Donald branches all over the world. However, drive-throughs are more in demand in the United States that would cause more than a hundred branches to stop its operation.</span>