Trying to find ∫x*arctan(x)dx, but

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. 664 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. 838 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. 1,246 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. 626 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. 681 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. 1,500 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. 539 views
For x>0 find and simplify the derivative of f(x)= arctan(x) + arctan(1/x).I've done the problem a few times and I keep getting
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2. asked by casidhe
3. 996 views
Find all positive integers a<b<c (a is less than or equal to b, b is less than or equal to c) such that:arctan (1/a) + arctan
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2. asked by Marc
3. 455 views
Find the integral from -∞ to -1 of 1/(1+x²) dx.I started working the problem out, and so far I got the lim as z→-∞ of
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2. asked by Erica
3. 574 views