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# trigonometry watch

1. please anyone who can give me an advice how to simply master trigonometrical question....
2. (Original post by Neston)
please anyone who can give me an advice how to simply master trigonometrical question....
3. (Original post by Neston)
please anyone who can give me an advice how to simply master trigonometrical question....
If A-Levels then just simply practice and practice.
The more you practise different questions the easier it will become.
4. no its A-level
(Original post by TenOfThem)
5. (Original post by Neston)
no its A-level
So what sort of questions?

Trig identities or trig equations
6. both....however hard I try them still I stuck
(Original post by TenOfThem)
So what sort of questions?

Trig identities or trig equations
7. (Original post by Neston)
both....however hard I try them still I stuck
You need to learn the rules

For trig equations you need to decide on a method for finding the additional values and practice it ... Apart from that they are just equations

For all of this work make sure you have learnt the trig values for 0,30,45,60,90,180

Also the 2 basic rules of sin^2 + cos^2=1 and tan = sin/cos

Once you have learnt (or even better understood) all of the above

Practice, practice, practice
8. Okay let me do that

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9. (Original post by Neston)
Okay let me do that

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For some reason this made me giggle.

Hold my beer everyone I'm going to do trig.

Good luck though, practice makes perfect, every trig question can be answered using the identities, as TenOfThem said. Don't forget you can derive the other two square identities by diving by either or . Also, the double angle formulae come in handy a lot.
10. Can I have some help
On part a and b on this question pls😄😄😄

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11. (Original post by jpatel1234)
Can I have some help
On part a and b on this question pls😄😄😄

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Can you start your own thread and tell us what you have tried on the question
12. sorry was just trying to get some help.
13. I can only do part a

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Attached Images

14. (Original post by jpatel1234)
sorry was just trying to get some help.
I was only explaining the best way to do that
15. (Original post by Neston)
I can only do part a

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Why do you think that theta is 45?
16. let me think straight... I thought its a isossecles triangle

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17. (Original post by Neston)
let me think straight... I thought its a isossecles triangle

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I don't see anything in the question to suggest that
18. This is another idea
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Attached Images

19. (Original post by Neston)
This is another idea
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That's better

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