12 Oct 2019

sin 10° sin 30° sin 50° sin 70° = 1/16 prove


No comments:

Post a Comment

Please do not enter any spam link

If Poisson's ratio σ for a material is −1/2 , then the material is

 1. Elastic fatigue 2. Incompressible-- Correct 3. Compressible 4. None of the above