Exercise (11.3) No(4, 5) - Solution αူαိα်αα်း Sunday, March 04, 2012 4. If $ \displaystyle Ξ± + Ξ² + Ξ³ = 180°$, prove that $ \displaystyle \text{(a)}\ \ \sin (\alpha +\be…
Exercise (11.3) No (3) Solution αူαိα်αα်း Saturday, March 03, 2012 Solve the following equations for 0° ≤ x ≤ 360°. $ \displaystyle {(\text{a})\ 2\sin x\cos x=\sin x…
Exercise (11.3) - No(1) Sample Solutions αူαိα်αα်း Saturday, March 03, 2012 (b) Solution (1) $ \displaystyle \sin \text{135}{}^\circ =\sin (\text{180}{}^\circ -45{}^\circ )=\s…
