You are Here: Home >< Maths

# Quick trig question

Announcements Posted on
Would YOU be put off a uni with a high crime rate? First 50 to have their say get a £5 Amazon voucher! 27-10-2016

1. how does the above =
tan2x = 1
2. Divide both sides by and you obtain

edit: when division by isn't allowed, i.e. when , it is clear that and
3. (Original post by IShouldBeRevising_)

how does the above =
tan2x = 1
It doesn't.
4. (Original post by hassi94)
It doesn't.
tan 2x = -1 *
5. (Original post by IShouldBeRevising_)
tan 2x = -1 *
Divide both sides by cos2x.

## Register

Thanks for posting! You just need to create an account in order to submit the post
1. this can't be left blank
2. this can't be left blank
3. this can't be left blank

6 characters or longer with both numbers and letters is safer

4. this can't be left empty
1. Oops, you need to agree to our Ts&Cs to register

Updated: May 17, 2012
TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Today on TSR

Poll
Useful resources

### Maths Forum posting guidelines

Not sure where to post? Read here first

### How to use LaTex

Writing equations the easy way

### Study habits of A* students

Top tips from students who have already aced their exams