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        <div id="content-top1">Page 64 - maths_g10p2</div>
        <div id="content-top2">P. 64</div>
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    <pre style="white-space:pre-line"><code>Elevation Angles and Depression Â¢VÃ‰Ã˜Ã®fâ€™E Gh Â´Ã‰Ã˜JQâ€™E G Ã‰jGhR

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                       .(Ã³Âªï¬ â„¢bÆ’e Ã¸e â‰ˆâˆYCG Â¿RÃ‰e â„¢bÆ’e) OÃ‰Â£Ã¦Å¸G Ï€NGO

                    Â§N â„¢e Ã³Âªï¬ ÃšY Â¤GE OÃ‰Â£Ã¦Å¸G Ã¸e OQGÆ’dG Â´Ã‰Â©Â°Ã»dG â„¢Ã¦Â°Ã¼j
                    Ã‰Ë˜ÂªË˜Ã¦Ë˜Â«Ë˜H Â´Ã‰Ë˜Ã˜Ë˜JQG Ã¡Ë˜jhGR â‰ˆË˜ÂªË˜Â°Ã¹J Ã¡Ë˜jhGR ÃšÂ©Ë˜dG Ã³Ë˜Ã¦Ë˜Y â‰¥Ë˜aCâ€™G
                    Ã³Âªï¬ Ã¡â‰¤jÃ³Â°U Â¤EG OÃ‰Â£Ã¦Å¸G Ï€NGO Æ’gh Â¿RÃ‰e Ã´Â¶Ã¦j Ã‰eÃ³Ã¦Y
                    (Ã´Â°Ã¼Ã‘dG Â§N) Â»â‰¤aCâ€™G Â§Ã¿G ÃšH Ã¡fÆ’Î¼Å¸G Ã¡jhGÃµdG Â¿Ã‰E a
                    â‰ˆÂªÂ°Ã¹J Ã³Âªï¬h Â¿RÃ‰e ÃšY ÃšH QÃ‰Å¸G ÂºÂ«â‰¤Ã Â°Ã¹Å¸G Â§Ã¿Gh

                                                   .Â¢VÃ‰Ã˜Ã®fG Ã¡jhGR

                                                    1 Ã–jQÃ³J

                     Ã¡âˆÃ£ÂªÅ¸G Ã‰jGhÃµdG Ã¸e Ã¡jhGR â€¦CG OÃ³M Ï€HÃ‰â‰¤Å¸G Ï€Î¼Â°Ã»dG Ã¸e
                    .Â¢VÃ‰Ã˜Ã®fG Ã‰jGhR Ï€Ã£â€œ Ã‰Â¡jCGh Â´Ã‰Ã˜JQG Ã‰jGhR Ï€Ã£â€œ Ï€Î¼Â°Ã»dÃ‰H

Ã´Â°Ã¼Ã‘dG Â§N                                                              1 âˆ«Ã‰Ã£e

                                       GPEÃ‰a Ã¡fÃ²Ã„e IÃ³YÃ‰b Ã¸e Gk ÃŽe 21 Ã³Â©H â‰ˆâˆY Ã³eÃ‰M âˆžâ‰¤j

                                                                           5

                                         : Ã³LhCÃ‰a 65 Ã¡fÃ²Ã„Å¸G Ã¡Âªb Â´Ã‰Ã˜JQG Ã¡jhGR Â¢SÃ‰Â«b Â¿Ã‰c
                    CG .Ã¡fÃ²Ã„Å¸G Â´Ã‰Ã˜JQG (CG

                                                     .Ã¡fÃ²Ã„Å¸G Ã¡Âªb Ã¸Y Ã³eÃ‰M Ã³Â©H (Ãœ

Ãœ Â´Ã‰Ã˜JQâ€™G Ã¡jhGR `L                                             Ï€``â—ŠG

      Â»â‰¤aCâ€™G Â§Ã¿G    Ã¡fÃ²Ã„Å¸G Â´Ã‰Ã˜JQG          Ã¡fÃ²Ã„Å¸G Â´Ã‰Ã˜JQG       = 565 Ã‰X (CG
                        21         = Ã¡fÃ²Ã„Å¸G IÃ³YÃ‰b Ã¸Y Ã³eÃ‰M Ã³Â©H

                    .Ã³eÃ‰M âˆ«Æ’W + Gk ÃŽe 45 565 Ã‰X * 21 = Ã¡fÃ²Ã„Å¸G Â´Ã‰Ã˜JQG

                                   Ã¡fÃ²Ã„Å¸G IÃ³YÃ‰b Ã¸Y Ã³eÃ‰M Ã³Â©H  =565  Ã‰Ã L   (Ãœ
                                   Ã¡fÃ²Ã„Å¸G Ã¡Âªb Ã¸Y Ã³eÃ‰M Ã³Â©H

                    Gk ÃŽe 50        21      =  Ã¡fÃ²Ã„Å¸G  Ã¡Âªb     Ã¸Y  Ã³eÃ‰M  Ã³Â©H
                                   565 Ã‰Ã L

                                                               2 Ã–jQÃ³J

Gk ÃŽe 34 Ã¡Â©âˆâ‰¤dG Â´Ã‰Ã˜JQG Â¿Ã‰c GPÃ‰E a Ã¡Â©âˆâ‰¤dG Ã¡Âªb Ã³Â°UÃ´j Æ’gh Gk ÃŽe 53 QGÃ³â‰¤Ãƒ ihÃµf Ã¡Â©âˆb Ã¸Y Â¢Ã¼Ã®Â°T Ã³Â©Ã‘j
                                                          . Ã¡Â©âˆâ‰¤dG Ã¡Âªb Â´Ã‰Ã˜JQG Ã¡jhGR Ã³LhCG

                    62</code></pre>
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