You are Here: Home >< Maths

# Last minute parametrics help? Core 4 Watch

1. I'm doing the June 2013 (R) paper and I'm slightly stuck on question 7, part B. I know how to show the cartesian equation but how do you find the values a and b?

Here's a link to the paper
2. You know the parameters for t. You need the parameters for x, so you just put x=27sec^3(0) for A and x=27sec^3(pi/3) for B
3. (Original post by rajanp1)
You know the parameters for t. You need the parameters for x, so you just put x=27sec^3(0) for A and x=27sec^3(pi/3) for B
Oh I'm so stupid I didn't even see that hahaha thanks
4. (Original post by geohan)
Oh I'm so stupid I didn't even see that hahaha thanks
No worries, good luck for tomorrow!

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: June 23, 2016
Today on TSR

### Am I pregnant?

...or just paranoid?

### A robot wrote Harry Potter?

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

Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.