# calculus

All posts tagged calculus

## Study Tips: Integral of sec(x).cosec(x)

This tip on integration was contributed by one of our top tutors, Shashwat.

Following up on our tips on calculus, this week we will explain the trick to finding the integral of the aforementioned function.

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## Study Tips: Maxima and Minima

This tip on calculus was contributed by one of our top tutors, Darshan Maheshwari.

The last edition of study tips, we posted an interesting trick to differentiate an infinite series. This time we’re following it up with helpful formulae to quickly find maxima or minima for functions involving two variables.…

## Study Tips: Differentiation of an Infinite Series

This tip on calculus was contributed by one of our top tutors, Shashwat.

What you will learn from this tip:
The trick to differentiate an infinite series.

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Consider the following question:
A function y is defined as

Find at x = 0.…