#1,2,4,8,12,14

Mathematics
Tutor: None Selected Time limit: 1 Day

Feb 11th, 2015

1 : - Sine ratio compares the length of perpendicular to the length of hypotenuse.

2 : -

4 : - Sine D = 35 / 37 Or

       Sine D = 0 .9459

               &

       Sine E = 12 / 37  Or

       Sine E = 0.3243

8 : - Cos X = 15 / 17  Or

       Cos X = 0.8823

                  &

       Cos Y = 8 / 17  Or

       Cos Y = 0.4705

12 : -  Sine (71 deg) = 5 / v

             v = 5 / Sine (71 deg)

             v = 5 / (0.9455)

             v = 5 . 2882

          Tan (71 deg) = 5 / w

              w = 5 / Tan (71 deg)

              w = 5 / 2.9042

              w = 29.2679

14 : -  Sine (64 deg) = p / 34

              p = 34 * Sine (64 deg)

              p = 34 * 0.8987

              p = 30.5558

          Cos (64 deg) = q / 34

              q = 34 * Cos (64 deg)

              q = 34 * 0.4383

              q = 14.9022

Feb 11th, 2015

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Feb 11th, 2015
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Feb 11th, 2015
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