Mister Exam

Other calculators

sinx⋅tgx−(−1)sinx=0 equation

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

v

Numerical solution:

Do search numerical solution at [, ]

The solution

You have entered [src]
sin(x)*tan(x) + sin(x) = 0
$$\sin{\left(x \right)} \tan{\left(x \right)} + \sin{\left(x \right)} = 0$$
The graph
Rapid solution [src]
x1 = 0
$$x_{1} = 0$$
     -pi 
x2 = ----
      4  
$$x_{2} = - \frac{\pi}{4}$$
x2 = -pi/4
Sum and product of roots [src]
sum
-pi 
----
 4  
$$- \frac{\pi}{4}$$
=
-pi 
----
 4  
$$- \frac{\pi}{4}$$
product
  -pi 
0*----
   4  
$$0 \left(- \frac{\pi}{4}\right)$$
=
0
$$0$$
0
Numerical answer [src]
x1 = 62.8318530717959
x2 = -50.2654824574367
x3 = -7.06858347057703
x4 = 91.106186954104
x5 = -41.6261026600648
x6 = -3.14159265358979
x7 = 72.2566310325652
x8 = -43.9822971502571
x9 = 40.8407044966673
x10 = 30.6305283725005
x11 = -69.1150383789755
x12 = -37.6991118430775
x13 = -29.0597320457056
x14 = -91.106186954104
x15 = -12.5663706143592
x16 = -94.2477796076938
x17 = -19.6349540849362
x18 = -3.92699081698724
x19 = -56.5486677646163
x20 = -69.9004365423729
x21 = -21.9911485751286
x22 = -15.707963267949
x23 = 50.2654824574367
x24 = 87.1791961371168
x25 = 52.621676947629
x26 = 21.9911485751286
x27 = -87.9645943005142
x28 = -72.2566310325652
x29 = 96.6039740978861
x30 = -91.8915851175014
x31 = 59.6902604182061
x32 = 84.8230016469244
x33 = 84.037603483527
x34 = 8.63937979737193
x35 = -40.8407044966673
x36 = 31.4159265358979
x37 = 9.42477796076938
x38 = 90.3207887907066
x39 = -79.3252145031423
x40 = 97.3893722612836
x41 = -65.9734457253857
x42 = 15.707963267949
x43 = -13.3517687777566
x44 = 28.2743338823081
x45 = 94.2477796076938
x46 = 69.1150383789755
x47 = 24.3473430653209
x48 = 37.6991118430775
x49 = 6.28318530717959
x50 = 80.8960108299372
x51 = -53.4070751110265
x52 = 46.3384916404494
x53 = -6.28318530717959
x54 = 40.0553063332699
x55 = -25.9181393921158
x56 = -75.398223686155
x57 = -57.3340659280137
x58 = 0.0
x59 = -62.8318530717959
x60 = -34.5575191894877
x61 = -97.3893722612836
x62 = -35.3429173528852
x63 = -25.1327412287183
x64 = 58.9048622548086
x65 = -28.2743338823081
x66 = 81.6814089933346
x67 = 74.6128255227576
x68 = 62.0464549083984
x69 = 100.530964914873
x70 = 68.329640215578
x71 = 47.1238898038469
x72 = -85.6083998103219
x73 = 18.0641577581413
x74 = -84.8230016469244
x75 = 25.1327412287183
x76 = 36.9137136796801
x77 = -18.8495559215388
x78 = 2.35619449019234
x79 = 87.9645943005142
x80 = -100.530964914873
x81 = 18.8495559215388
x82 = -78.5398163397448
x83 = 43.9822971502571
x84 = -63.6172512351933
x85 = -31.4159265358979
x86 = -81.6814089933346
x87 = 75.398223686155
x88 = 3.14159265358979
x89 = -59.6902604182061
x90 = 65.9734457253857
x91 = 14.9225651045515
x92 = -47.9092879672443
x93 = 53.4070751110265
x94 = -47.1238898038469
x94 = -47.1238898038469