Question

Please friends help to solve this issue​

Answer 1

∅=45°

Explanation:

`2sin`∅=
`√(2)`

`sin`∅=
`(√(2) )/(2)`

∅=
`sin^(-1) ((√(2) )/(2) )`

∅=45°

I hope this help you

Answer 2

no answer bcz w bff fgfthsrgffd