Mister Exam
Other calculators
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How to use it?
- Equation:
-
Equation x^4-4*x^3-2*x^2+12*x+9=0
-
Equation x^2-5x-24=0
-
Equation 3x^2-27=0
-
Equation sin(x)-cos(x)=-1
- Express {x} in terms of y where:
- -6*x-2*y=-10
- 18*x+14*y=-11
- -5*x+6*y=19
- -10*x+9*y=-6
- Derivative of:
-
sin(x)-cos(x)
-
-1
- Canonical form:
- sin(x)-cos(x)
- Graphing y =:
- sin(x)-cos(x)
- Sum of series:
-
-1
- Integral of d{x}:
-
-1
-
Identical expressions
- sin(x)-cos(x)=- one
- sinus of (x) minus co sinus of e of (x) equally minus 1
- sinus of (x) minus co sinus of e of (x) equally minus one
- sinx-cosx=-1
-
Similar expressions
- sin(x)-cos(x)=+1
- sinx-cosx=1/2
- sin(x)+cos(x)=-1
- sinx-cosx=0
- sinx-cosx=-1
sin(x)-cos(x)=-1 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Sum and product of roots
[src]
sum
-pi ---- 2
$$- \frac{\pi}{2}$$
=
-pi ---- 2
$$- \frac{\pi}{2}$$
product
-pi 0*---- 2
$$0 \left(- \frac{\pi}{2}\right)$$
=
0
$$0$$
0
Numerical answer
[src]
x1 = -76.9690200129499
x2 = 69.1150383789755
x3 = -50.2654824574367
x4 = 25.1327412287183
x5 = 18.8495559215388
x6 = 213.628300444106
x7 = -70.6858347057703
x8 = 86.3937979737193
x9 = 56.5486677646163
x10 = 94.2477796076938
x11 = 2475.57501102876
x12 = 42.4115008234622
x13 = -81.6814089933346
x14 = -69.1150383789755
x15 = 50.2654824574367
x16 = -39.2699081698724
x17 = -89.5353906273091
x18 = 43.9822971502571
x19 = -58.1194640914112
x20 = 87.9645943005142
x21 = -32.9867228626928
x22 = -83.2522053201295
x23 = 92.6769832808989
x24 = -43.9822971502571
x25 = 177939.807899326
x26 = -6.28318530717959
x27 = -125.663706143592
x28 = -18.8495559215388
x29 = -20.4203522483337
x30 = 61.261056745001
x31 = 98.9601685880785
x32 = 29.845130209103
x33 = -51.8362787842316
x34 = -14.1371669411541
x35 = 81.6814089933346
x36 = -62.8318530717959
x37 = 67.5442420521806
x38 = -26.7035375555132
x39 = 6.28318530717959
x40 = -64.4026493985908
x41 = -94.2477796076938
x42 = -12.5663706143592
x43 = -1.5707963267949
x44 = 23.5619449019235
x45 = 75.398223686155
x46 = -75.398223686155
x47 = -95.8185759344887
x48 = -31.4159265358979
x49 = 36.1283155162826
x50 = 48.6946861306418
x51 = 62.8318530717959
x52 = 80.1106126665397
x53 = 10.9955742875643
x54 = 17.2787595947439
x55 = -56.5486677646163
x56 = 576.482251933727
x57 = -87.9645943005142
x58 = 37.6991118430775
x59 = 205.774318810131
x60 = 4.71238898038469
x61 = -25.1327412287183
x62 = 100.530964914873
x63 = -7.85398163397448
x64 = -37.6991118430775
x65 = 0.0
x66 = 31.4159265358979
x67 = 12.5663706143592
x68 = 73.8274273593601
x69 = -100.530964914873
x70 = -45.553093477052
x71 = 54.9778714378214
x71 = 54.9778714378214
The graph