Original post by esha06
The second term on the second line is
2cos sin^2
so pythagoras on sin^2.
Note it helps to give posts a bit more meaningful title like trig identities for this one.
(edited 4 months ago)
Quick Reply
Related discussions
- GCSE Exam Discussions 2024
- How to get A* at OCR A level chemistry?
- A-level Exam Discussions 2024
- OCR Chemistry B (Salters) - Anybody doing this?
- A Level Maths Checklist
- Study Buddy
- Are the CGP books good for these A level subjects?
- OCR MEI Paper 3 A Level Maths Predictions
- starting sixth form/ a levels
- Online resources?
- Entry requirements with mixed courses
- Need help on what to do to improve on my a levels!
- I have a lot OF A-level and GCSE Maths and Further Maths resources. Who's Interested?
- A Level maths
- a-level chemistry
- Revision tips for additional pure (Further maths OCR)
- Best revision resource for Biology OCR?
- Is Seneca good for physics a level?
- pls be my chemistry tutor !!
- About Computer Science
Latest
Trending
Last reply 4 days ago
Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrongMaths
71
Trending
Last reply 4 days ago
Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrongMaths
71
