Mister Exam
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How to use it?
- Equation:
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Equation cos(x)=-3
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Equation 4(x-6)=7(x+9)
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Equation 7x+5=9x-11
-
Equation -5*x^2+x=0
- Express {x} in terms of y where:
- -2*x+5*y=0
- 10*x-13*y=16
- -17*x-2*y=17
- -11*x+10*y=18
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Identical expressions
- (two +cosx)sin2x− one = zero
- (2 plus co sinus of e of x) sinus of 2x−1 equally 0
- (two plus co sinus of e of x) sinus of 2x− one equally zero
- 2+cosxsin2x−1=0
- (2+cosx)sin2x−1=O
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Similar expressions
- (2-cosx)sin2x−1=0
(2+cosx)sin2x−1=0 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
(2 + cos(x))*sin(2*x) - 1 = 0
$$\left(\cos{\left(x \right)} + 2\right) \sin{\left(2 x \right)} - 1 = 0$$
Numerical answer
[src]
x1 = -14.4541245056789
x2 = -50.0947023421946
x3 = 35.0926664928631
x4 = 42.0945432589373
x5 = -45.8700510415769
x6 = -84.2878543435491
x7 = 100.701745030115
x8 = -78.0046690363695
x9 = 79.0749636431202
x10 = 60.2254077215814
x11 = 9.95992526414473
x12 = -83.5691628846544
x13 = -31.2451464206558
x14 = -17.5112218111392
x15 = 16.2431105713243
x16 = 67.2272844876557
x17 = -65.4382984220103
x18 = -36.360777732678
x19 = 28.8094811856835
x20 = 64.1701871821954
x21 = 23.2449873373986
x22 = 50.4362625726788
x23 = 57.8870018750158
x24 = -59.1551131148307
x25 = -27.7391865789328
x26 = -15.1728159645736
x27 = 97.9245195646589
x28 = 56.7194478798584
x29 = 66.508593028761
x30 = 35.8113579517578
x31 = -30.0775924254984
x32 = 79.7936551020149
x33 = 81.8521891085767
x34 = 29.5281726445782
x35 = -39.5868657343973
x36 = -23.7944071183188
x37 = -74.0598895757555
x38 = -146.40101595645
x39 = -52.8719278076511
x40 = 94.4185597229359
x41 = 12.7371507296013
x42 = -2767.20798050923
x43 = 48.3777285661169
x44 = 51.6038165678363
x45 = 0.170780115242093
x46 = 13.9047047247587
x47 = -71.7214837291899
x48 = 6.45396542242168
x49 = -8.88963065739403
x50 = -40.305557193292
x51 = 73.5104697948353
x52 = -87.7938141852721
x53 = -80.3430748829351
x54 = 7.62151941757915
x55 = -8.17093919849935
x56 = 88.1353744157563
x57 = -52.1532363487565
x58 = -61.4935189613963
x59 = -94.0769994924517
x60 = -37.5283317278354
x61 = -81.5106288780925
x62 = -21.4560012717532
x63 = -96.1355334990136
x64 = 92.360025716374
x65 = 22.5262958785039
x66 = -67.7767042685759
x67 = 4.39543141585982
x68 = 20.1878900319383
x69 = 53.9422224144018
x70 = -6.11240519193749
x71 = 86.0768404091944
x72 = -58.436421655936
x73 = 26.4710753391179
x74 = 72.7917783359406
x75 = -55617.4180050433
x76 = -20.7373098128585
x77 = 554.258641142203
x78 = -34.0223718861124
x79 = -96.8542249579082
x80 = -64.7196069631156
x81 = 95.5861137180934
x82 = -43.811517035015
x83 = -75.2274435709129
x84 = 44.1530772654992
x85 = 70.453372489375
x86 = -89.852348191834
x87 = 41.3758518000427
x88 = 37.8698919583196
x89 = -1.88775389131976
x89 = -1.88775389131976