Mister Exam

Lang:

How to use it?
Equation:
Equation -x/12+x=55/12
Equation 9/(x-2)=9/2
Equation -2x-4=3x
Equation 2-3*(2*x+2)=5-4*x
Express {x} in terms of y where:
-10*x-18*y=15
2*x-15*y=-1
-19*x-5*y=-16
10*x+9*y=-6
Identical expressions
2sin(2x)-cos(x)- three ^ zero .5sin(x)= zero
2 sinus of (2x) minus co sinus of e of (x) minus 3 to the power of 0.5 sinus of (x) equally 0
2 sinus of (2x) minus co sinus of e of (x) minus three to the power of zero .5 sinus of (x) equally zero
2sin(2x)-cos(x)-30.5sin(x)=0
2sin2x-cosx-30.5sinx=0
2sin2x-cosx-3^0.5sinx=0
2sin(2x)-cos(x)-3^0.5sin(x)=O
Similar expressions
2sin(2x)+cos(x)-3^0.5sin(x)=0
2sin(2x)-cos(x)+3^0.5sin(x)=0
2sin(2x)-cosx-3^0.5sinx=0

2sin(2x)-cos(x)-3^0.5sin(x)=0 equation

The teacher will be very surprised to see your correct solution 😉

You have entered [src]

                        ___           
2*sin(2*x) - cos(x) - \/ 3 *sin(x) = 0

$$\left(2 \sin{\left(2 x \right)} - \cos{\left(x \right)}\right) - \sqrt{3} \sin{\left(x \right)} = 0$$

Simplify

The graph

Plot the graph f1(x)

Plot the graph f2(x)

Sum and product of roots [src]

sum

$$0$$

product

$$1$$

Numerical answer [src]

x1 = 34.3829862642883

x2 = 40.6661715714679

x3 = -100.007366139275

x4 = 65.7989128001862

x5 = -97.563905186483

x6 = -87.4409955249159

x7 = 30.1941960595019

x8 = -49.7418836818384

x9 = -3.31612557878923

x10 = 19.7222205475359

x11 = -26.3544717051144

x12 = 7.15584993317675

x13 = -15.8824961931484

x14 = 76.2708883121522

x15 = -74.5255590601579

x16 = -81.1578102177363

x17 = 21.8166156499291

x18 = -216.944426022895

x19 = -36.8264472170804

x20 = 17.6278254451427

x21 = 67.8933079025794

x22 = -28.4488668075076

x23 = 36.4773813666815

x24 = 50.789081233035

x25 = -470.715299262871

x26 = -47.2984227290463

x27 = 6.80678408277789

x28 = 0.523598775598299

x29 = 26.0054058547155

x30 = -70.3367688553715

x31 = 28.0998009571087

x32 = 94.7713783832921

x33 = -22.165681500328

x34 = -1318.94531573211

x35 = 32.2885911618951

x36 = -51.4872129338327

x37 = 13.4390352403563

x38 = 59.5157274930066

x39 = -91.2807198793034

x40 = 38.2227106186758

x41 = 95.120444233691

x42 = -61.9591884457987

x43 = -9.59931088596881

x44 = 44.5058959258554

x45 = -45.2040276266531

x46 = -13.7881010907552

x47 = 80.4596785169386

x48 = -1.22173047639603

x49 = 86.7428638241182

x50 = 23.9110107523223

x51 = 82.2050077689329

x52 = 57.4213323906134

x53 = -64.0535835481919

x54 = -80.8087443673375

x55 = -53.5816080362259

x56 = -57.7703982410123

x57 = -5.75958653158129

x58 = 15.5334303427495

x59 = 78.3652834145454

x60 = -37.1755130674792

x61 = 74.176493209759

x62 = -66.1479786505851

x63 = -24.2600766027212

x64 = -20.0712863979348

x65 = -43.4586983746588

x66 = 42.7605666738611

x67 = 72.0820981073658

x68 = 51.1381470834339

x69 = -11.693705988362

x70 = -59.8647933434055

x71 = -93.7241808320955

x72 = -89.1863247769102

x73 = 88.4881930761125

x74 = 604.058454115238

x75 = 61.6101225953998

x76 = 63.704517697793

x77 = -68.2423737529783

x78 = -56.025068989018

x79 = -7.50491578357562

x80 = 69.9877030049726

x81 = -17.9768912955416

x82 = -95.4695100840898

x83 = -72.4311639577647

x84 = -30.5432619099008

x85 = 84.648468721725

x85 = 84.648468721725