# IntMath forum - Latest posts

## Differential Equations

• Re: Differential equation [Pending...]
Hello, Struggling First, be careful with upper- and lower-case variables - they mean different things. I believe...

## Analytic Trigonometry

• Re: inverse functions [Solved!]

## Applications of Integration

• Re: Catenary equation [Pending...]
Hello, sorry for disappearing! Thank you very much Murray and Stephen for solving this problem.

## Methods of Integration

• Re: integration [Pending...]
Hello ypatel You haven't shown any working! I don't know where you are getting stuck.

## Matrices and Determinants

• Re: linear transformation [Pending...]
Dear Murray, Much thank for your hints, I worked out the matrix [T] as 1/(ad-bc)[row 1:...

## Differential Equations

• Re: ODE seperable method [Pending...]
It seems Ahmed has disappeared. Anyone else like to have a go at finishing it?

## Vectors

• Re: Vectors [Solved!]
Stephen This looks good to me! Thanks for your solution. Regards Murray

## Kinematics

• Re: time/speed graph [Solved!]
You're welcome. But I can't see that you have completed the question (using u). I meant something...

## Series and the Binomial Theorem

• Re: Series [Solved!]
Thank you very much

## Vectors

• Re: Vectors [Solved!]
Actually, the triangles aren't congruent (which means same size, same shape), but similar (same shape,...

## Graphs of Trigonometric Functions

• Re: Graphical question [Solved!]
mfaisal did not reply. A generalised formula would need to use trigonometry, I believe, something like `tan...

## Basic Algebra

• Re: order of operations [Solved!]
Thanks a lot, Murray. I agree, looking from coding side. Regards Rika