- #1

phymatter

- 131

- 0

**sin(pi/2) (different from sin!)**

how can sin(pi/2) be equal to 1 , i mean sinx is defined as the ratio P/H of a right triangle , but if sinx = 1

=> P=H , but by Phytogoras

=> B=0 ,

but how is this possible ?

so how can sinx =1 exist?