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Topics of this game:
- Double Angle Identity (Cosine) COS(2θ)=COS²θ-SIN²θ,1-2SIN²θ,2COS²θ-1
- Double Angle Identity (Sine) SIN(2θ)=2SINθCOSθ
- Sine Difference Identity SIN(a-b)=SINaCOSb-COSaSINb
- Sine Sum Identity SIN(a+b)=SINaCOSb+COSaSINb
- Cosine Difference Identity COS(a-b)=COSaCOSb+SINaSINb
- Cosine Sum Identity COS(a+b)=COSaCOSb-SINaSINb
- Half Angle Identity for Sine sin (a/2) = sqrt(1-cos a)/2,
- Half Angle Identity for Cosine Cos(a/2) = sqrt(1+cos a)/2
