Mister Exam
Other calculators
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How to use it?
- Equation:
-
Equation 2*x^2-x-1=x^2-5*x-(-1-x^2)
-
Equation cos(x)=3
-
Equation sin(x)+cos(x)=-1
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Equation sin(x)-cos(x)=1
- Express {x} in terms of y where:
- 17*x+16*y=7
- 18*x-14*y=-12
- -8*x-15*y=15
- 20*x+5*y=-3
- Derivative of:
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sin(x)-cos(x)
- Canonical form:
- sin(x)-cos(x)
- Graphing y =:
- sin(x)-cos(x)
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Identical expressions
- sin(x)-cos(x)= one
- sinus of (x) minus co sinus of e of (x) equally 1
- sinus of (x) minus co sinus of e of (x) equally one
- sinx-cosx=1
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Similar expressions
- sin(x)+cos(x)=1
- tgx/sinx-cosx
- sin3x=sqrt2*(sinx-cosx)
- 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 -- 2
$$\frac{\pi}{2}$$
=
pi -- 2
$$\frac{\pi}{2}$$
pi/2
Numerical answer
[src]
x1 = -17.2787595947439
x2 = -97.3893722612836
x3 = 72.2566310325652
x4 = -40.8407044966673
x5 = -78.5398163397448
x6 = -3.14159265358979
x7 = -519.933584169111
x8 = 95.8185759344887
x9 = -4629.13677506456
x10 = -4.71238898038469
x11 = 76.9690200129499
x12 = -36.1283155162826
x13 = 34.5575191894877
x14 = -23.5619449019235
x15 = -61.261056745001
x16 = -92.6769832808989
x17 = 1.5707963267949
x18 = 64.4026493985908
x19 = -34.5575191894877
x20 = 65.9734457253857
x21 = 9.42477796076938
x22 = 84.8230016469244
x23 = 20.4203522483337
x24 = 40.8407044966673
x25 = -53.4070751110265
x26 = -84.8230016469244
x27 = -15.707963267949
x28 = 26.7035375555132
x29 = -42.4115008234622
x30 = -9.42477796076938
x31 = 32.9867228626928
x32 = -29.845130209103
x33 = 70.6858347057703
x34 = -10.9955742875643
x35 = 15.707963267949
x36 = 28.2743338823081
x37 = -298.45130209103
x38 = 83.2522053201295
x39 = -80.1106126665397
x40 = -73.8274273593601
x41 = 45.553093477052
x42 = -48.6946861306418
x43 = -128.805298797182
x44 = 21.9911485751286
x45 = -47.1238898038469
x46 = 51.8362787842316
x47 = -91.106186954104
x48 = 3.14159265358979
x49 = 47.1238898038469
x50 = 78.5398163397448
x51 = 53.4070751110265
x52 = 58.1194640914112
x53 = -72.2566310325652
x54 = 39.2699081698724
x55 = -54.9778714378214
x56 = -109.955742875643
x57 = 91.106186954104
x58 = -86.3937979737193
x59 = 59.6902604182061
x60 = -28.2743338823081
x61 = 7.85398163397448
x62 = 14.1371669411541
x63 = 108.384946548848
x64 = -65.9734457253857
x65 = -21.9911485751286
x66 = -98.9601685880785
x67 = 89.5353906273091
x68 = 97.3893722612836
x69 = -67.5442420521806
x70 = -59.6902604182061
x70 = -59.6902604182061
The graph