If a function u(x,y)=arctan(y/x) deduce

If a function u(x,y)=arctan(y/x)deduce the laplace equation of the function. plz show working i don't no where to start
1. 1 answer
2. asked by Collins
3. 1,397 views
Let f be a function defined by f(x)= arctan x/2 + arctan x. the value of f'(0) is?It's 3/2 but I am not very clear on how to
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2. asked by Jamie
3. 1,566 views
The values of x that are solutions to the equation cos^(2)x=sin2x in the interval [0, pi] area. arctan(1/2) only b. arctan(1/2)
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2. asked by Carson
3. 718 views
arctan(tan(2pi/3)thanks. arctan(tan(2pi/3) = -pi/3 since arctan and tan are inverse operations, the solution would be 2pi/3 the
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2. asked by Jen
3. 897 views
Now we prove Machin's formula using the tangent addition formula:tan(A+B)= tanA+tanB/1-tanAtanB. If A= arctan(120/119) and B=
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2. asked by alex
3. 1,285 views
Derivative of the implicit Function:arctan(x^5y)=xy^5 Here is where I am at. I am pretty frustrated: arctan(x^5y)-xy^5=0
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2. asked by Pamela
3. 1,104 views
Arrange these in order from least to greatest:arctan(-sqrt3), arctan 0, arctan(1/2) So far I got the first two values,
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2. asked by Anonymous
3. 672 views
also:integral of tan^(-1)y dy how is integration of parts used in that? You write: arctan(y)dy = d[y arctan(y)] - y d[arctan(y)]
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2. asked by marsha
3. 738 views
4 arctan(1/3)+4 arctan(1/4)+4 arctan(2/9)=pihow do i prove it but without using this formula arctan(x)+arctan(y) = arctan(
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2. asked by math student
3. 567 views
sin(arctan(-4/3)okay so i made arctan(-4/3) = x so im solving for sin(x) and x= arctan(-4/3) so then tanx = -4/3 and now im
1. 2 answers
2. asked by Billy NEED HELP
3. 498 views