Ответ:
AB=d*sin a; BC = d*cos a
Объяснение:
AD/AC=cos a
AD=AC*cos a=d*cos a
BC=AD=d*cos a
CD/AC=sin a
CD= d*sin a
CD=AB=d*sin a
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Ответ:
AB=d*sin a; BC = d*cos a
Объяснение:
AD/AC=cos a
AD=AC*cos a=d*cos a
BC=AD=d*cos a
CD/AC=sin a
CD= d*sin a
CD=AB=d*sin a