Given that cos A = √3 - 1, find the value of sin^2A in the form p √3 + q

Trigonometric identities
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cos2(A)=(√3-1)2=3-2√3+1=4-2√3. sin2(A)=1-cos2(A)=1-(4-2√3)=2√3-3 (p=2, q=-3).

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