A thesis submitted to XXX in partial fulfillment of the requirement for the degree of Master of Engineering
高等数学公式
导数公式:
2(tgx)??secx(ctgx)???cscx(secx)??secx?tgx(cscx)???cscx?ctgx(a)??alna(logaxx2(arcsinx)??(arccosx)???(arctgx)??11?x11?x11?x222x)??1xlna(arcctgx)???dx211?x22?tgxdx?ctgxdx?sec?a?x?a???lncosx?C?lnsinx?C?cos?sinxx???secxdx?tgx?C?csc2dx2xdx??ctgx?Cxdx?lnsecx?tgx?C?cscxdx?lncscx?ctgx?Cdx2?secx?tgxdx?cscx?ctgxdx?ax?secx?C??cscx?C?C?xdx?adx?xdx22???1a1arctglnlnxa?C?C?Cx?ax?aa?xa?xxadx?axlna222a12a?shxdx?chxdx??2?chx?C?shx?C?ln(x?x?a)?C2222a?x2?arcsin?Cdxx?a22?2In??sin02nxdx??cosxdx?0nn?1naaa2In?2x?a)?Cx?axa?C2222???x?adx?x?adx?a?xdx?22222x2x2x2x?a?x?a?a?x?22222222ln(x?lnx?arcsin22?C2基本积分表:
三角函数的有理式积分: sinx?2u1?u, cosx?21?u1?u2, u?tg2x2, dx?2du1?u2
一些初等函数: 两个重要极限:
e?e2e?e2shxchx2x?xx?x双曲正弦:shx?双曲余弦:chx?双曲正切:thx?arshx?ln(x?archx??ln(x?arthx?12ln1?x1?xlimsinxx1xx?0?1)?e?2.7182818284xlim(1?x??59045...?e?ee?exx?x?xx?1)x?1)2
三角函数公式: ·诱导公式:
函数 角A -α 90°-α 90°+α 180°-α 180°+α 270°-α 270°+α 360°-α 360°+α sin cos tg -tgα ctgα ctg -ctgα tgα -ctgα ctgα -sinα cosα cosα cosα sinα -sinα -ctgα -tgα sinα -cosα -tgα -sinα -cosα tgα -cosα -sinα ctgα tgα -cosα sinα -ctgα -tgα -sinα cosα sinα cosα -tgα tgα -ctgα ctgα
·和差角公式: ·和差化积公式:
sin(???)?sin?cos??cos?sin?cos(???)?cos?cos??sin?sin?tg(???)?tg??tg?1?tg??tg?ctg??ctg??1ctg??ctg?sin??sin??2sinsin??sin??2cos???2cossin???2???2???2cos??cos??2coscos??cos??2sin???2cossin???2ctg(???)????2???2
·倍角公式: sin2??2sin?cos?cos2??2cos??1?1?2sin??cos??sin?ctg2??tg2??ctg??12ctg?2tg?1?tg?222222sin3??3sin??4sin?cos3??4cos??3cos?tg3??3tg??tg?1?3tg?2333
·半角公式:
sintg?2????1?cos?21?cos?1?cos?asinA 1?cos?sin?bsinB cos ctg?2??1?cos?21?cos?1?cos??1?cos?sin??sin?1?cos??2??sin?1?cos??2??
·正弦定理:
·反三角函数性质:arcsinx??2?arccosx arctgx???csinC?2R ·余弦定理:c?a?b?2abcosC
222?2?arcctgx
高阶导数公式——莱布尼兹(Leibniz)公式:
n(uv)?u(n)??Ck?0knu(n?k)v(k)(n)v?nu(n?1)v??n(n?1)2!u(n?2)v?????n(n?1)?(n?k?1)k!
u(n?k)v(k)???uv(n)中值定理与导数应用:
拉格朗日中值定理:柯西中值定理:f(b)?f(a)?f?(?)(b?a)?f?(?)F?(?)拉格朗日中值定理。f(b)?f(a)F(b)?F(a)
当F(x)?x时,柯西中值定理就是曲率:
弧微分公式:平均曲率:K?ds????s1?y?dx,其中y??tg?.??:从M点到M?点,切线斜率的倾角变???sd?dsy??(1?y?)232化量;?s:MM?弧长。M点的曲率:直线:K?0;K?lim?s?0??.
半径为a的圆:K?1a.定积分的近似计算:
b矩形法:?f(x)?abb?an(y0?y1???yn?1)梯形法:?f(x)?abb?a1[(y0?yn)?y1???yn?1]n2b?a3n[(y0?yn)?2(y2?y4???yn?2)?4(y1?y3???yn?1)]
抛物线法:?f(x)?a定积分应用相关公式:
功:W?F?s水压力:F?p?A引力:F?km1m2r2,k为引力系数1b?ab
函数的平均值:y?1b?ab?af(x)dx均方根:?af(t)dt2空间解析几何和向量代数: