Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x+12=5
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Equation 1-x/2=x/3
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Equation x^2+x=12
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Equation x^4=(x-56)^2
- Express {x} in terms of y where:
- 18*x+19*y=7
- 8*x-13*y=-12
- 1*x+6*y=6
- -6*x+1*y=-5
- Derivative of:
- pi/2
- Integral of d{x}:
- pi/2
- Limit of the function:
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pi/2
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Identical expressions
- arcctg((one -x)/ two /x)+arccos(two x)=pi/2
- arcctg((1 minus x) divide by 2 divide by x) plus arc co sinus of e of (2x) equally Pi divide by 2
- arcctg((one minus x) divide by two divide by x) plus arc co sinus of e of (two x) equally Pi divide by 2
- arcctg1-x/2/x+arccos2x=pi/2
- arcctg((1-x) divide by 2 divide by x)+arccos(2x)=pi divide by 2
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Similar expressions
- arcctg((1+x)/2/x)+arccos(2x)=pi/2
- arcctg((1-x)/2/x)-arccos(2x)=pi/2
arcctg((1-x)/2/x)+arccos(2x)=pi/2 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
//1 - x\\
||-----||
|\ 2 /| pi
acot|-------| + acos(2*x) = --
\ x / 2
$$\operatorname{acos}{\left(2 x \right)} + \operatorname{acot}{\left(\frac{\frac{1}{2} \left(1 - x\right)}{x} \right)} = \frac{\pi}{2}$$
Numerical answer
[src]
x1 = 0.4
x2 = 3.93832063146364e-8 + 3.59382158996016e-7*i
x2 = 3.93832063146364e-8 + 3.59382158996016e-7*i