please help with this equation !!

[mrich44]

1= .6 sin(theta) cos^2(theta) + 1.44cos^3(theta)

no idea how to solve for theta here... please help me

 

[Ishuda]

1= .6 sin(theta) cos^2(theta) + 1.44cos^3(theta)

no idea how to solve for theta here... please help me

I'm not sure other than some iterative scheme/Newtons method/... I'd be interested if someone else had a better way.