Trigonometry : Exercise (11.3) - Problem 15 αူαိα်αα်း Wednesday, November 28, 2018 A ship leaves harbour on a course N 72° E and after traveling for 50 metres, changes course to 108°…
Exercise (11.3)-Problem 17 αူαိα်αα်း Wednesday, November 28, 2018 Two runners start from the same point at 12:00 noon, one of them heading north at 6 mph and the oth…
Law of Cosines and to Find Extremum by Completing Square αူαိα်αα်း Thursday, November 22, 2018 In $ \displaystyle \Delta ABC$, $ \displaystyle AB=(5-x)$ cm, $ \displaystyle BC=(4+x)$ cm, $ \dis…
