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Mathematics, 20.07.2019 03:30 serenityjohnson98765

Where does the pythagorean identity sin2 θ + cos2 θ = 1 come from? how 
does it relate to right triangles?

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Where does the pythagorean identity sin2 θ + cos2 θ = 1 come from? how 
does it relate to right tri...

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