Turn on thread page Beta
    • Thread Starter
    Offline

    16
    ReputationRep:
    Name:  14840556350811770128893.jpg
Views: 19
Size:  289.5 KB for 8b) I obtained 2 solutions which are not included in the Mark scheme but by subbing it back into the equation , it does show that it works.Attachment 610328610330
    Attached Images
     
    • Thread Starter
    Offline

    16
    ReputationRep:
    +- 0.5 pi isn't in the Mark scheme. Thanks
    Offline

    18
    ReputationRep:
    (Original post by coconut64)
    +- 0.5 pi isn't in the Mark scheme. Thanks
    I don't see anything wrong with your answers. Can you post the mark scheme?
    Offline

    19
    ReputationRep:
    (Original post by DFranklin)
    I don't see anything wrong with your answers. Can you post the mark scheme?
    are you sure?
    Offline

    18
    ReputationRep:
    (Original post by newblood)
    are you sure?
    Fairly. Wolfram Alpha also seems to agree. But always possible I'm wrong, that's why I asked for the mark scheme.
    Offline

    3
    ReputationRep:
    That's a simple question and you did it well! The angle is just theta so you're answers shouldn't be too bad.
    • Thread Starter
    Offline

    16
    ReputationRep:
    (Original post by DFranklin)
    Fairly. Wolfram Alpha also seems to agree. But always possible I'm wrong, that's why I asked for the mark scheme.
    Name:  h.png
Views: 17
Size:  92.5 KB Cheers
    Offline

    19
    ReputationRep:
    (Original post by coconut64)
    Name:  h.png
Views: 17
Size:  92.5 KB Cheers
    It's right there on the line thats starts costheta=....

    There are 6 solutions in total (as you can see from the graph)
 
 
 
Reply
Submit reply
Turn on thread page Beta
Updated: January 10, 2017
Poll
Do you think parents should charge rent?
Useful resources

Make your revision easier

Maths

Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

Equations

How to use LaTex

Writing equations the easy way

Student revising

Study habits of A* students

Top tips from students who have already aced their exams

Study Planner

Create your own Study Planner

Never miss a deadline again

Polling station sign

Thinking about a maths degree?

Chat with other maths applicants

Can you help? Study help unanswered threads

Groups associated with this forum:

View associated groups

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

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