You are Here: Home >< Maths

# Trig functions Watch

1. Can somebody show how - sec2x/ tan2x = -coesec2x.
2. (Original post by Banana ice-cream)
Can somebody show how - sec2x/ tan2x = -coesec2x.
Interesting hour to be doing maths.

If you are ever completely stuck with trig questions, turn everything into sin and cos.
3. (Original post by Banana ice-cream)
Can somebody show how - sec2x/ tan2x = -coesec2x.
Attachment 540195540197 That's a (-sec2x) right?
Attached Images

4. (Original post by SeanFM)
Interesting hour to be doing maths.

If you are ever completely stuck with trig questions, turn everything into sin and cos.
Couldn't go to sleep untill i figured it out. Im so stressed about C3
5. (Original post by Middriver)
Attachment 540195540197 That's a (-sec2x) right?
Thanx. I couldn't figure out that cos2x * tan2x = sin2x
6. (Original post by Banana ice-cream)
Couldn't go to sleep untill i figured it out. Im so stressed about C3
Fair enough. Though I think tackling problems at that hour isn't the best thing to do. Did you figure it out?

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:
Updated: May 29, 2016
Today on TSR

### Should I ask for his number?

Discussions on TSR

• Latest
• ## See more of what you like on The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

• Poll
Useful resources

### Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

### How to use LaTex

Writing equations the easy way

### Study habits of A* students

Top tips from students who have already aced their exams

## Groups associated with this forum:

View associated groups
Discussions on TSR

• Latest
• ## See more of what you like on The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

• The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE