Mister Exam
Other calculators
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How to use it?
- Equation:
-
Equation x^2-8x+12=0
-
Equation 3*x^2-9=0
- Equation x^4-35*x^2-36=0
-
Equation x^3=64
- Express {x} in terms of y where:
- 7*x-2*y=18
- 18*x+19*y=7
- -16*x-12*y=12
- -17*x-12*y=-9
-
Identical expressions
- one +cosx-sinx= zero
- 1 plus co sinus of e of x minus sinus of x equally 0
- one plus co sinus of e of x minus sinus of x equally zero
- 1+cosx-sinx=O
-
Similar expressions
- 1-cosx-sinx=0
- 1+cosx+sinx=0
1+cosx-sinx=0 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
1 + cos(x) - sin(x) = 0
$$\left(\cos{\left(x \right)} + 1\right) - \sin{\left(x \right)} = 0$$
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 = -128.805298797182
x2 = 3.14159265358979
x3 = -47.1238898038469
x4 = -34.5575191894877
x5 = -86.3937979737193
x6 = -65.9734457253857
x7 = 1.5707963267949
x8 = 59.6902604182061
x9 = -54.9778714378214
x10 = 72.2566310325652
x11 = 89.5353906273091
x12 = 91.106186954104
x13 = 32.9867228626928
x14 = -91.106186954104
x15 = -109.955742875643
x16 = -17.2787595947439
x17 = 45.553093477052
x18 = 64.4026493985908
x19 = 83.2522053201295
x20 = -29.845130209103
x21 = -9.42477796076938
x22 = 65.9734457253857
x23 = -519.933584169111
x24 = -92.6769832808989
x25 = 26.7035375555132
x26 = 21.9911485751286
x27 = -4629.13677506456
x28 = 70.6858347057703
x29 = -40.8407044966673
x30 = -97.3893722612836
x31 = -48.6946861306418
x32 = -53.4070751110265
x33 = -42.4115008234622
x34 = 97.3893722612836
x35 = -67.5442420521806
x36 = -23.5619449019235
x37 = 20.4203522483337
x38 = 78.5398163397448
x39 = -298.45130209103
x40 = -61.261056745001
x41 = 53.4070751110265
x42 = 47.1238898038469
x43 = -10.9955742875643
x44 = -36.1283155162826
x45 = 34.5575191894877
x46 = 14.1371669411541
x47 = 51.8362787842316
x48 = -15.707963267949
x49 = 39.2699081698724
x50 = -3.14159265358979
x51 = -59.6902604182061
x52 = -28.2743338823081
x53 = -4.71238898038469
x54 = 9.42477796076938
x55 = -21.9911485751286
x56 = 95.8185759344887
x57 = 108.384946548848
x58 = 15.707963267949
x59 = 76.9690200129499
x60 = 58.1194640914112
x61 = -80.1106126665397
x62 = 84.8230016469244
x63 = -78.5398163397448
x64 = -73.8274273593601
x65 = 7.85398163397448
x66 = -72.2566310325652
x67 = -84.8230016469244
x68 = 28.2743338823081
x69 = 40.8407044966673
x70 = -98.9601685880785
x70 = -98.9601685880785