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Grade: 11
        
I still didn't understand how to solve this problem....................
5 months ago

Answers : (1)

Aditya Gupta
906 Points
							
Let theta=x
Youcan first convert cos^2, sin^2 and cos*sin terms to their double angle forms (eg cosx*sinx=sin2x/2). Then let 2x=y
After that simply use either calculus to use Maxima minima or use the fact that |dcosx+esinx| is less than or equal to √(d^2+e^2).
3 months ago
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