Mister Exam
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How to use it?
- Equation:
- Equation xy
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Equation x^2+x-20=0
-
Equation 5x^2=-80+40x
- Equation x^2-289=0
- Express {x} in terms of y where:
- sqrt(x^2+y^2+4x-6y-12)+(x^2+10x-27)=8-|y-9|+|y-3|
- 10*x-1*y=10
- 15*x-17*y=19
- 9*x-8*y=6
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Identical expressions
- cospi(four x+ one hundred and thirty-two)/4=-sqrt(two)/ two
- co sinus of e of Pi (4x plus 132) divide by 4 equally minus square root of (2) divide by 2
- co sinus of e of Pi (four x plus one hundred and thirty minus two) divide by 4 equally minus square root of (two) divide by two
- cospi(4x+132)/4=-√(2)/2
- cospi4x+132/4=-sqrt2/2
- cospi(4x+132) divide by 4=-sqrt(2) divide by 2
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Similar expressions
- cos(x)+sqrt((2-sqrt2)/2)*(sin(x)+1)=0
- cospi(4x+132)/4=+sqrt(2)/2
- cos*((pi*(2*x+6))/4)=-(sqrt2/2)
- cospi(4x-132)/4=-sqrt(2)/2
- sinx/4=-sqrt2/2
cospi(4x+132)/4=-sqrt(2)/2 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
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cos(p)*I*(4*x + 132) -\/ 2
-------------------- = -------
4 2
$$\frac{i \left(4 x + 132\right) \cos{\left(p \right)}}{4} = \frac{\left(-1\right) \sqrt{2}}{2}$$
The graph
Rapid solution
[src]
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I*\/ 2
x_1 = -33 + --------
2*cos(p)
$$x_{1} = -33 + \frac{\sqrt{2} i}{2 \cos{\left(p \right)}}$$
Sum and product of roots
[src]
sum
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I*\/ 2
-33 + --------
2*cos(p)
$$\left(-33 + \frac{\sqrt{2} i}{2 \cos{\left(p \right)}}\right)$$
=
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I*\/ 2
-33 + --------
2*cos(p)
$$-33 + \frac{\sqrt{2} i}{2 \cos{\left(p \right)}}$$
product
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I*\/ 2
-33 + --------
2*cos(p)
$$\left(-33 + \frac{\sqrt{2} i}{2 \cos{\left(p \right)}}\right)$$
=
___
I*\/ 2
-33 + --------
2*cos(p)
$$-33 + \frac{\sqrt{2} i}{2 \cos{\left(p \right)}}$$