1. prove that sec^4theta - tan^4theta = sec^2theta+tan

^2theta

2. hence solve the interval -180deg < theta<180deg, sec^4theta = tan^4theta+3tantheta

I have the answer for part 1 i just need part 2

^2theta

2. hence solve the interval -180deg < theta<180deg, sec^4theta = tan^4theta+3tantheta

I have the answer for part 1 i just need part 2

(edited 1 month ago)

Original post by cheery-condition

1. prove that sec^4theta - tan^4theta = sec^2theta+tan

^2theta

2. hence solve the interval -180deg < theta<180deg, sec^4theta = tan^4theta+3tantheta

I have the answer for part 1 i just need part 2

^2theta

2. hence solve the interval -180deg < theta<180deg, sec^4theta = tan^4theta+3tantheta

I have the answer for part 1 i just need part 2

1. prove that sec^4theta - tan^4theta = sec^2theta+tan

^2theta

2. hence solve the interval -180deg < theta<180deg, sec^4theta = tan^4theta+3tantheta

I have the answer for part 1 i just need part 2

^2theta

2. hence solve the interval -180deg < theta<180deg, sec^4theta = tan^4theta+3tantheta

I have the answer for part 1 i just need part 2

Original post by alquinton

Post what you've tried please

• take the equation in part 2....

.

• take the equation in part 2....

.

Please remove the details of your post - it's against forum rules to post solutions!

(edited 1 month ago)

- GCSE Exam Discussions 2024
- TSR Study Together - STEM vs Humanities!
- How important is maths in a-level physics?
- A-level choices
- Need help picking a levels
- What is the syllabus for the futher maths gcse this year?
- 4 A-levels?
- Do I need to do economics a level for accounting
- additional maths
- a level eco and a lvl maths ?
- A levels
- GCSE AQA L2 Further maths and A-level OCR maths
- Econ/finance
- A level biology and Chemistry
- Physics a level without maths a level
- PPE
- Would taking AS Level mean taking fewer papers in A Level next year?
- is further maths right for me?
- Is it worth it to do A level Math for medicine
- Further maths in one year?

Last reply 1 minute ago

UCL Mechanical Engineering with Business Finance 2023Last reply 1 minute ago

Official University of St Andrews Applicant Thread for 2024Last reply 1 minute ago

went from 3s to 9s with (literally) night before revision - ask me anythingGCSEs

38

Last reply 3 minutes ago

Official University of Bristol Applicant Thread for 2024Last reply 5 minutes ago

Which route to becoming media lecturer at university?Last reply 11 minutes ago

Official London School of Economics and Political Science 2024 Applicant ThreadLast reply 14 minutes ago

Official LSE Offer Holders Thread for 2024 entryLast reply 26 minutes ago

Name a girl's name which starts with the last letter of the above nameForum games

4609

Last reply 1 week ago

Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrongMaths

71

Last reply 1 week ago

Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrongMaths

71