Teachingbd · 2018-03-14 · 3.76 (Ans.) 3 tan200 - tan' 200 I -3 = tan 600 A = + + y cos a...
30
http://teachingbd.com Teachingbd.com
Teachingbd · 2018-03-14 · 3.76 (Ans.) 3 tan200 - tan' 200 I -3 = tan 600 A = + + y cos a cos COs J I — tan a, = I + tan 16 cosA cos 2A cos 4A cos 7A = I a, + = cos2p = cos2p
![ΜΑΘΗΜΑ 8ΔΤ =ΔΤ −ΔΤ = −()χ 12 1 2 DR x R x( ()) 2 22 22 cos ( ) 4 [ (tan cos ) 2 tan cos ] h xbM h I A x I A xh ΔΤ = − − + x h1 h2 ΔΤ =() ()χ DRx n iiij jm](https://img.pdfslide.tips/doc/110x75/5f08fae87e708231d424a77a/oeoe-8-a-a-12-1-2-dr-x-r-x-2-22-22-cos-.jpg)
