Top answers

All subjects
A Level

Solve, correct to 2 decimal places, the equation cot(2x)=3 for 0°<x<180°

To start, we use the inverse trigonometric formulae to convert the 'cot' function into a 'tan' function: cot(2x)=1/(tan(2x))=3 Inverting this gives: tan(2x)=1/3 2x=arctan(1/3)=18.43°or (180+18.43)° Therfo...

MG
Answered by Matthew G. Maths tutor
9405 Views

What are vectors?

Vectors can seem complicated at first but they are simple once you understand that you need two pieces of information in order to define a vector. A vector is composed of direction and magnitude. You can ...

EC
Answered by Esperanza C. Physics tutor
7482 Views

Explain with examples, the concept of direct democracy

Direct Democracy is simply the concept of a democracy in which voters are able to directly impact specific issues and policies, rather than voting to give a representative or party, a mandate to decide up...

AC
19765 Views

Explain why there was widespread unemployment in 1815

One of, if not the main factor when considering British unemployment in 1815 is the end of the Napoleonic Wars. The Napoleonic Wars proper, began in 1803. From 1803 to 1815, the United Kingdom was essenti...

AC
Answered by Archie C. History tutor
6103 Views

Why is the first ionisation energy lower in barium compared to calcium?

Barium has more electrons shells than calcium, so the nuclear shielding is stronger, and the outmost electrons are further away from the nucleus. This results in a weaker attractive force between the elec...

JF
Answered by Joseph F. Chemistry tutor
16416 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning