1 7kŒ) ( (1) (7) +cos2a=1 31 (2) sin a sinb 0.23, …seiun-hs/chp1/pdf/suu1_2.pdf1 7kŒ) ( (1) (7)...

1

Upload: others

Post on 07-May-2020

5 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: 1 7kŒ) ( (1) (7) +cos2A=1 31 (2) sin A sinB 0.23, …seiun-hs/chp1/pdf/suu1_2.pdf1 7kŒ) ( (1) (7) +cos2A=1 31 (2) sin A sinB 0.23, cosi30= 0.97, tan 130 = 10 130 0.23 (2) sin 130