117/1000, series of cos(1/n)

82/1000, know the chain rule for derivatives!

114/1000, 3 rectangles under y=1/x from 1 to 2

88/1000, 1-1/2+1/3-1/4+...=? (alternating harmonic series)

Examen de matemática básica Universidad de Lima: problema de funciones

79/1000, surface area of revolution, calculus 2

102/1000, how to write an integral as a limit of a Riemann sum

101/1000, how to convert a limit of a Riemann sum to an integral

24/1000, integral of ln(x), integration by parts

86/1000, the small-angle approximation, sinθ≈θ

91/1000, they love asking this question on calculus 1 exams!

40/1000, derivative of ln(x+sqrt(x^2+1)), calculus 1

Almost Everyone Gets This Equation Wrong

How to Prepare for Calculus: Essential Steps Before College

93/1000, why is the derivative 2^x equal to 2^x*ln(2)

Differentiate a trig function to a power using the chain rule