Hey there! Sign in to join this conversationNew here? Join for free
    • Thread Starter
    Offline

    2
    ReputationRep:
    In general if a question gave you an identity for example, 1 +cot2x=cosec2 x
    How would you do it. Would you have to start of by saying LHS= ......
    Offline

    14
    (Original post by Guls)
    In general if a question gave you an identity for example, 1 +cot2x=cosec2 x
    How would you do it. Would you have to start of by saying LHS= ......
    Yep. You can start from either side. Starting from the more complicated side usually works.
    Spoiler:
    Show
    Or do work from both sides.
    Offline

    22
    ReputationRep:
    (Original post by Guls)
    In general if a question gave you an identity for example, 1 +cot2x=cosec2 x
    How would you do it. Would you have to start of by saying LHS= ......
    You picked a bad example here, because in this case, you'd start from the Pythagorean identity then get to that idenity using some manipulation, but usually, it's starting from one side and manipulating/simplifying/rewriting till you get to the other.
    Offline

    19
    ReputationRep:
    (Original post by Zacken)
    You picked a bad example here, because in this case, you'd start from the Pythagorean identity then get to that idenity using some manipulation, but usually, it's starting from one side and manipulating/simplifying/rewriting till you get to the other.
    You know a lot about maths wow
    Offline

    22
    ReputationRep:
    (Original post by TheYearNiner)
    You know a lot about maths wow
    Why do you think that?
    Offline

    19
    ReputationRep:
    (Original post by Zacken)
    Why do you think that?
    You answer everything do to with maths correctly :awesome:
    Offline

    22
    ReputationRep:
    (Original post by TheYearNiner)
    You answer everything do to with maths correctly :awesome:
    Not always. :lol:
 
 
 
  • 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
    Have you ever participated in a Secret Santa?
    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
  • 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

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