tan632°24',sin263°42' 转为锐角三角函数,照片答,坐等
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tan632°24',sin263°42' 转为锐角三角函数,照片答,坐等
![tan632°24',sin263°42' 转为锐角三角函数,照片答,坐等](/uploads/image/z/19888245-45-5.jpg?t=tan632%C2%B024%27%2Csin263%C2%B042%27+%E8%BD%AC%E4%B8%BA%E9%94%90%E8%A7%92%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%2C%E7%85%A7%E7%89%87%E7%AD%94%2C%E5%9D%90%E7%AD%89)
tan632°24'
=tan(360°+272°+24‘)
=tan(272°+24’)
=tan(180°+92°+24‘)
=tan(92°+24’)
=-tan(90°+2°+24‘)
=-ctg2°24’
sin263°42'
=sin(180°+83°+42‘)
=-sin(83°+42’)
=-sin83°42
=tan(360°+272°+24‘)
=tan(272°+24’)
=tan(180°+92°+24‘)
=tan(92°+24’)
=-tan(90°+2°+24‘)
=-ctg2°24’
sin263°42'
=sin(180°+83°+42‘)
=-sin(83°+42’)
=-sin83°42