Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x^2+9=(x+9)^2
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Equation -x=4-3(3x-8)
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Equation 9x-7=6x+14
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Equation x+3=-9*x
- Express {x} in terms of y where:
- -18*x-1*y=-11
- 1*x-6*y=-19
- -1*x-20*y=-17
- 7*x+13*y=-13
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Identical expressions
- 8sin^ two (2x)+3sin(4x)= seven
- 8 sinus of squared (2x) plus 3 sinus of (4x) equally 7
- 8 sinus of to the power of two (2x) plus 3 sinus of (4x) equally seven
- 8sin2(2x)+3sin(4x)=7
- 8sin22x+3sin4x=7
- 8sin²(2x)+3sin(4x)=7
- 8sin to the power of 2(2x)+3sin(4x)=7
- 8sin^22x+3sin4x=7
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Similar expressions
- 8sin^2(2x)-3sin(4x)=7
8sin^2(2x)+3sin(4x)=7 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
2 8*sin (2*x) + 3*sin(4*x) = 7
$$8 \sin^{2}{\left(2 x \right)} + 3 \sin{\left(4 x \right)} = 7$$
Numerical answer
[src]
x1 = -61.9755063810963
x2 = -77.6834696490453
x3 = 14.5298660228528
x4 = 84.1085520108291
x5 = 91.9625336448035
x6 = 55.8342181285209
x7 = -86.0010988920206
x8 = -83.9666549562249
x9 = -49.872783375738
x10 = -21.5984494934298
x11 = 40.1262548605719
x12 = -87.5718952188155
x13 = 25.9890879194179
x14 = 99.816515278778
x15 = -94.9622292437892
x16 = 22.3838476568273
x17 = 11.8519209782638
x18 = 89.9280897090078
x19 = -90.2498402634045
x20 = -11.7100239236596
x21 = -42.0188017417635
x22 = -57.7267650097125
x23 = -27.8816348006094
x24 = 44.3749962319558
x25 = -35.7356164345839
x26 = 63.2245521534946
x27 = 60.0829594999048
x28 = 74.2201264410589
x29 = 62.1174034357005
x30 = -17.9932092308392
x31 = -3.85604228968516
x32 = -99.6746182241739
x33 = -47.8383394399423
x34 = 311.874019396089
x35 = 76.2545703768546
x36 = -39.9843578059678
x37 = -13.7444678594553
x38 = -20.0276531666349
x39 = -33.7011724987882
x40 = 33.8430695533924
x41 = 52.2289778659303
x42 = -64.009950316892
x43 = -54.1215247471219
x44 = 77.8253667036495
x45 = 23.9546439836222
x46 = -65.5807466436869
x47 = 18.1351062854434
x48 = 3.99793934428932
x49 = -98.1038218973789
x50 = 16.1006623496477
x51 = -63.5463027078912
x52 = 69.971385069675
x53 = -72.9710806686606
x54 = 96.2112750161874
x55 = -24.2763945380188
x56 = -71.8639319508665
x57 = 10.2811246514689
x58 = 47.9802364945464
x59 = 30.2378292908018
x60 = -2.28524596289026
x61 = -32.1303761719933
x62 = 1.96349540849362
x63 = -69.8294880150708
x64 = 13.4227173050587
x65 = -43.5895980685584
x66 = 36.5210145979813
x67 = -55.6923210739168
x68 = 82.0741080750334
x69 = 67.9369411338793
x70 = -7.46128255227576
x71 = 96.6749226251882
x72 = 45.9457925587507
x73 = -68.2586916882759
x74 = 8.24668071567321
x75 = -10.1392275968647
x76 = -46.2675431131474
x77 = -91.8206365901994
x78 = 98.2457189519831
x79 = 85.2157007286231
x80 = -5.89048622548086
x81 = -76.1126733222504
x82 = 58.5121631731099
x83 = 38.0918109247762
x84 = 19.7059026122383
x85 = -25.8471908648137
x86 = 32.2722732265975
x87 = 66.3661448070844
x88 = 0.392699081698724
x89 = 54.263421801726
x90 = 88.3572933822129
x91 = -93.8550805259951
x92 = 80.5033117482384
x93 = -50.9799320935321
x94 = -79.717913584841
x94 = -79.717913584841