Buktikanlah!sin (a+60)-sin (a-60)=akar(3) cos a

Saluranedukasion 2024-02-11T20:26:43.000Z

Buktikanlah!sin (a+60)-sin (a-60)=akar(3) cos a
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Buktikanlah!sin (a+60)-sin (a-60)=akar(3) cos a