27301 |
求解函数何时为无定义/不连续 |
(-1+cot(w)^2+cos(w)^2tan(w)^2)/(csc(w)^2)=cos(w)^4 |
|
27302 |
求解函数何时为无定义/不连续 |
(1+cos(3t))/(sin(3t))+(sin(3t))/(1+cos(3t)) |
|
27303 |
绘制图像 |
y=5sin(x-3)-2 |
|
27304 |
求解函数何时为无定义/不连续 |
(1-sin(x))/(1+sin(x))=(sec(x)-tan(x))^2 |
|
27305 |
求解函数何时为无定义/不连续 |
(1-sin(x))/(cos(x))=(cos(x))/(1+sin(x)) |
|
27306 |
求解函数何时为无定义/不连续 |
2/(9x)-7/12=3/x |
|
27307 |
求解函数何时为无定义/不连续 |
(2tan(x))/(1+tan(x)^2)=sin(2x) |
|
27308 |
求解函数何时为无定义/不连续 |
(2tan(x))/(sin(2x))=sec(x)^2 |
|
27309 |
求解函数何时为无定义/不连续 |
3^(2x)+3^(x+1)-70=0 |
|
27310 |
有理化分母 |
(sin(x)+tan(x))/(1+cos(x)) |
|
27311 |
有理化分母 |
(sin(x)+tan(x))/(cos(x)+1) |
|
27312 |
求解函数何时为无定义/不连续 |
x=(2pi)/5 |
|
27313 |
有理化分母 |
(sin(x))/(1+sec(x)) |
|
27314 |
求解函数何时为无定义/不连续 |
x=-(65pi)/6 |
|
27315 |
求解函数何时为无定义/不连续 |
x=arccos(60/65) |
|
27316 |
求解函数何时为无定义/不连续 |
x=arctan(-15/10) |
|
27317 |
求解函数何时为无定义/不连续 |
x=-0.9167 |
|
27318 |
求解函数何时为无定义/不连续 |
x=(40pi)/6 |
|
27319 |
求解函数何时为无定义/不连续 |
x=-(4pi)/3 |
|
27320 |
求解函数何时为无定义/不连续 |
[0,2pi],tan(x)^2+tan(x)=0 |
|
27321 |
求解函数何时为无定义/不连续 |
(3+4i)^2-2(x-yi)=x+yi |
|
27322 |
求解函数何时为无定义/不连续 |
(tan(73)-tan(13))/(1+tan(73)tan(13)) = square root of B |
|
27323 |
求解函数何时为无定义/不连续 |
(x+1)^2+(y-2)^2=9 |
|
27324 |
求解函数何时为无定义/不连续 |
(z-i)/(z-2)=(3i+1)/2 |
|
27325 |
求解函数何时为无定义/不连续 |
(cos(x-1)^2)/(cos(x))=-tan(x)sin(x) |
|
27326 |
求解函数何时为无定义/不连续 |
(cot(x)^2)/(csc(x))=csc(x)-sin(x) |
|
27327 |
有理化分母 |
(1/(cos(x)))/(1+cos(x)) |
|
27328 |
有理化分母 |
(1/(sec(x)))/(1+sec(x)) |
|
27329 |
有理化分母 |
(1/(sin(x)))/(1-cos(x)) |
|
27330 |
有理化分母 |
(cos(x)^2-sin(x)^2)/(1-sin(x)^2) |
|
27331 |
加 |
sin(40)cos(50)+cos(40)sin(50) |
|
27332 |
加 |
sin(45)cos(45)+cos(45)sin(45) |
|
27333 |
加 |
sin(5)cos(25)+cos(5)sin(25) |
|
27334 |
加 |
sin(50)cos(10)+cos(50)sin(10) |
|
27335 |
加 |
sin(50)cos(40)+cos(50)sin(40) |
|
27336 |
加 |
sin(5x)cos(7x)+cos(5x)sin(7x) |
|
27337 |
加 |
sin(6)+sin(25) |
|
27338 |
加 |
sin(arcsin(1/4))+arctan(-4) |
|
27339 |
加 |
sin(u)+cot(u)cos(u) |
|
27340 |
加 |
tan(30)+tan(60) |
|
27341 |
加 |
tan(A+B)+tan(A-B) |
|
27342 |
减 |
sin(x)-cos(x) |
|
27343 |
减 |
sin((19pi)/3)-sin((3pi)/10) |
|
27344 |
减 |
sin(2/pi)cos(pi/6)-cos(pi/2)sin(pi/6) |
|
27345 |
减 |
sin((31pi)/36)cos((11pi)/18)-cos((31pi)/36)sin((11pi)/18) |
|
27346 |
减 |
sin((3pi)/7)cos((11pi)/42)-cos((3pi)/7)sin((11pi)/42) |
|
27347 |
减 |
sin(pi/12)-cos(pi/2) |
|
27348 |
减 |
sin(105)cos(45)-cos(105)sin(45) |
|
27349 |
减 |
sin(121)cos(61)-cos(121)sin(61) |
|
27350 |
减 |
sin(144)cos(24)-cos(144)sin(24) |
|
27351 |
减 |
sin(190)cos(10)-cos(190)sin(10) |
|
27352 |
减 |
sin(2)cos(7)-cos(2)sin(7) |
|
27353 |
减 |
sin(20)cos(80)-cos(20)sin(80) |
|
27354 |
减 |
sin(255)cos(15)-cos(255)sin(15) |
|
27355 |
减 |
sin(3x)-sin(x) |
|
27356 |
减 |
sin(45)cos(30)-cos(45)sin(30) |
|
27357 |
减 |
sin(5x)-sin(3x) |
|
27358 |
减 |
sin(52)cos(13)-cos(52)sin(13) |
|
27359 |
减 |
sin(61)cos(19)-cos(61)sin(19) |
|
27360 |
减 |
sin(72)cos(12)-cos(72)sin(12) |
|
27361 |
减 |
sin(75)cos(15)-cos(75)sin(15) |
|
27362 |
减 |
pi/2-pi/3 |
|
27363 |
减 |
1-16/25 |
|
27364 |
减 |
sin(83)cos(83)-cos(83)sin(83) |
|
27365 |
减 |
sin(x)cos(45)-cos(x)sin(45) |
|
27366 |
减 |
sin(x)-sin(2x) |
|
27367 |
减 |
tan(pi/4)-sin(pi/6) |
|
27368 |
乘 |
t 的 5 次方根的 4 次方根 |
|
27369 |
以标准式表示 |
(-3x^2*(7x^2)-8)-(-5x^3+9x^2-8-19) |
|
27370 |
有理化分母 |
(tan((5pi)/18-x)+tan((2pi)/9+x))÷(1-tan((5pi)/18-x)tan((3pi)/9+x)) |
|
27371 |
有理化分母 |
((sin(8a)-sin(2))*(cos(2a)-cos(8a)))/(1-cos(6a)) |
|
27372 |
有理化分母 |
(12tan(x))/(1+tan(2(x))) |
|
27373 |
有理化分母 |
(cos(x)sin(x))/(1-sin(x)) |
|
27374 |
有理化分母 |
(sin(a)cos(a))/(1-sin(a)^2) |
|
27375 |
有理化分母 |
(cot(x)-tan(x))/(1-2sin(x)^2) |
|
27376 |
减 |
-11 21-11 的平方根 21 的平方根 |
|
27377 |
有理化分母 |
(cot(x)^2)/(1+cot(x)^2) |
|
27378 |
有理化分母 |
(csc(-x)^2-1)/(1-cos(-x)^2) |
|
27379 |
有理化分母 |
(csc(n/2-x)^2)/(1+tan(x)^2) |
|
27380 |
有理化分母 |
(sec(x)^2)/(1-cos(x)^2) |
|
27381 |
有理化分母 |
(sin(y)^2)/(1-cos(y)) |
|
27382 |
有理化分母 |
(tan(x)^2-2tan(x)-3)/(tan(x)+1) |
|
27383 |
有理化分母 |
(1-tan(x)^2)/(1-tan(x)^4) |
|
27384 |
有理化分母 |
(1-tan(x)^2)/(1+tan(x)^2)=cos(2x) |
|
27385 |
有理化分母 |
1/(1-csc(x)^2) |
|
27386 |
有理化分母 |
(1+cos(x))/(1-cos(x)) |
|
27387 |
有理化分母 |
(1+sec(x))/(1-cos(x)) |
|
27388 |
有理化分母 |
1/(1+sin(x)) |
|
27389 |
有理化分母 |
1/(1-2sin(x)^2) |
|
27390 |
有理化分母 |
1/(1-tan(x)) |
|
27391 |
有理化分母 |
(1+cos(x))/(1+cos(x)) |
|
27392 |
有理化分母 |
(sin(x))/(cos(x)+1)*(cos(-1))/(cos(x)-1) |
|
27393 |
有理化分母 |
(3tan(x))/(1+cos(x)) |
|
27394 |
有理化分母 |
5/(sec(x)+1) |
|
27395 |
有理化分母 |
(csc(y)+1)/(csc(y)+1) |
|
27396 |
有理化分母 |
(sec(x))/(1+tan(x)^2) |
|
27397 |
有理化分母 |
(cos(x))/(1-csc(x))*(1+csc(x))/(1+csc(x)) |
|
27398 |
有理化分母 |
(cos(x))/(1-csc(x))=0 |
|
27399 |
有理化分母 |
(cot(x))/(1+sin(x)) |
|
27400 |
有理化分母 |
(csc(b))/(1+cot(b)^2) |
|