Original post by cloudii
I've done part i and part ii fine, but for part iii, I've gotten a bit stuck. I know that you can manipulate the expression to get 6sin^2 (1/3 theta) = k, but I'm not sure as to how you'd progress from there. Any help would be appreciated 
If you sketched 6sin^2() over the domain, how could there just be two solutions?
(edited 11 months ago)
Original post by mqb2766
If you sketched 6sin^2() over the domain, how could there just be two solutions?
Um I'm not quite sure, but don't quadratic graphs lead to two solutions?
Original post by cloudii
Um I'm not quite sure, but don't quadratic graphs lead to two solutions?
Thats about it. What would the min and max values be as they would correspond to the range (k) and would the inequalities be strict or ...
(edited 11 months ago)
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