Calculus

All levels of calculus from Calculus I through Differential Equations and beyond.
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Evaluating ∫[cotx/(1+sinx)]dx from 0 to π/2
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4
Views
765
pka
pka
Steven G
Please help! "Imagine a disc of radius 1m spinning anticlockwise at pi rad/sec."
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12
Views
1K
khansaheb
K
A
Indefinite integral: integral [ 1/s(t) ] ds
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4
Views
608
topsquark
topsquark
M
Finding the length and surface area of a two/three-dimensional Archimedean Spiral
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0
Views
599
mathinker
M
R
Confused About Which Derivative Rule to Use First
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4
Views
773
Dr.Peterson
Dr.Peterson
C
a limit without using l'hospital rule: limit, x->3, of (log_3(x) - 1)/(x - 3)
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7
Views
937
canvas
C
U
If z=1+2i is a root of the equation z^2 = az+ b find the values of a and b
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6
Views
894
pka
pka
shahar
The best graph in Cartesian Coordinate System for payments for hours of parking
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11
Views
1K
shahar
shahar
A
Gradient at a point on a quadratic: gradient at (3, 21) for y = x^2 + 4x
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14
Views
1K
apple2357
A
D
Failing to differentiate a^x • x^n by first principles
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5
Views
692
khansaheb
K
A
Integration and volume problem: Find volume generated by area between y=x^2+2, y=6, rotated abt x-axis
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14
Views
1K
blamocur
blamocur
A
Volume with parametric equations: x = 4 cos(theta), y = 2sin(theta); sketch from 0 to pi/2, and find...
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10
Views
1K
Dr.Peterson
Dr.Peterson
C
Second Derivative of an equation: The charge ? on the plate of a capacitor is given by ? = ???^(− ?/??)...
Replies
9
Views
1K
Dr.Peterson
Dr.Peterson
L
Calculus Help! Find eqns for 2 lines passing thru the origin & tangent to 2X^2-4x + y^2 +1 = 0
Replies
4
Views
639
Steven G
Steven G
F
I'm lost: We look for functions such that verify f(x) + f(y) = f((x+y)/(1-xy))...
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9
Views
1K
Faizer
F
M
Prove that if a function is nonnegative on an interval, so is its definite integral
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8
Views
980
khansaheb
K
A
Surface area of a triangular section of a cylinder?
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3
Views
819
blamocur
blamocur
P
Another max min: A rectangle is bounded by the positive x-axis, the positive y-axis, and y = mx + c.
Replies
5
Views
780
Steven G
Steven G
S
Evaluate a limit: lim_{x->0^+} (e^x - e^{sin(x)})/(sqrt[x] (x - tan(x)) * sin((x - 3sqrt[x])/(1 - x))
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2
Views
510
Saul Feyn
S
ausmathgenius420
Determining the number of inflection points, given f'(x) = sin(x^3) for -1.8 <= x <= 1.8
Replies
2
Views
603
Steven G
Steven G
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