Photos 2 SIN Α COS Α

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2 sin α cos α. L=2r * sin α\2. 2sin(60 ∘ −α)−3cos(α) 2 cos(α)−2sin(45 ∘ −α). S=a²⋅sin(α). Cos (x+720).
L=2r * sin α\2. 2sin(60 ∘ −α)−3cos(α) 2 cos(α)−2sin(45 ∘ −α). S=a²⋅sin(α). Cos (x+720).

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