jane1820
Well-Known Member
- Joined
- Jul 15, 2024
- Messages
- 712
- Gender
- Female
- HSC
- 2026
i dont understand why the questions specify this, if im being honest i dont see any use for it
can someone explain?
like i just draw a triangle, choose any side i want (except the right angle side) label the angle as X (for number 5 for example) n since we knew that cosX=2/3 then the hypotenuse is 3 n i work from there literally dont see a use for the X+Y=90 degrees bit
can someone explain?
like i just draw a triangle, choose any side i want (except the right angle side) label the angle as X (for number 5 for example) n since we knew that cosX=2/3 then the hypotenuse is 3 n i work from there literally dont see a use for the X+Y=90 degrees bit