Mister Exam
Other calculators
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How to use it?
- Equation:
- Equation sin(2x)+sqrt(2cos(x)-2(cos(x))^3)=0
- Equation log3(x+4)=log(2x-12)
- Equation sin(7x)-cos(4x)+2=0
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Equation (x-11)*(-x+9)=0
- Express {x} in terms of y where:
- -16*x+14*y=-9
- -14*x+19*y=-3
- -11*x+10*y=-9
- -14*x+1*y=3
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Identical expressions
- sin(7x)-cos(4x)+ two = zero
- sinus of (7x) minus co sinus of e of (4x) plus 2 equally 0
- sinus of (7x) minus co sinus of e of (4x) plus two equally zero
- sin7x-cos4x+2=0
- sin(7x)-cos(4x)+2=O
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Similar expressions
- sin(7x)+cos(4x)+2=0
- sin(7x)-cos(4x)-2=0
sin(7x)-cos(4x)+2=0 equation
The teacher will be very surprised to see your correct solution 😉
The solution
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[src]
sin(7*x) - cos(4*x) + 2 = 0
$$\left(\sin{\left(7 x \right)} - \cos{\left(4 x \right)}\right) + 2 = 0$$
Numerical answer
[src]
x1 = -73.8274272827069
x2 = 95.818576003634
x3 = -67.5442421116579
x4 = -29.8451301087308
x5 = 7.85398170633075
x6 = -23.5619449672035
x7 = -80.1106125988316
x8 = 3262.54397077292
x9 = 64.4026493316786
x10 = 58.1194640814188
x11 = 14.1371669834219
x12 = -48.6946860129901
x13 = 20.4203521809142
x14 = -36.1283154453631
x15 = 51.8362788561044
x16 = -4.71238889795562
x17 = 14.1371668161343
x17 = 14.1371668161343