Determine all the values of angle if and is between and . Give the answers correct to 1 decimal place.
This is weird, I have solved to the point that and is in . Hence one of the options should have only 2 answers. Did I go wrong?
From the domain restrictions
Multiply by cos(x) and factorise
This is because cos(x) is symmetrical in the line so we can do where 180-70.5 is the distance the first point is away from 180