Question

Question #1a790

Answer 1

`x=pin`

Explanation:

`sin^2x=2sinx`
`sin^2x-2sinx=0`
`sinx(sin x - 2)=0`

`sinx = 0`
`x=0, pi` on unit circle `-> x= pin`

`sin x - 2=0`
`sin x =2`
`x =sin^-1(2)`
This is undefined.

So, `x=pin`, where `n` is any integer.