# Trigonometry - Double Angle help 😔

Watch
Thread starter 1 week ago
#1
Hi,

sorry i’m posting another quesiton that i’ve been stuck on for ages - could someone help? I know the answer to a but not b :/

Thanks
0
1 week ago
#2
(Original post by dxnixl)
Hi,

sorry i’m posting another quesiton that i’ve been stuck on for ages - could someone help? I know the answer to a but not b :/

Thanks
No need to apologise for posting multiple question

Note that so you can apply the double angle formulae on this and rewrite it. Make it equal to 4/3 and hence solve for what you need.
2
Thread starter 1 week ago
#3
(Original post by RDKGames)
No need to apologise for posting multiple question

Note that so you can apply the double angle formulae on this and rewrite it. Make it equal to 4/3 and hence solve for what you need.
oH alright thanks
0
X

new posts
Back
to top
Latest
My Feed

### Oops, nobody has postedin the last few hours.

Why not re-start the conversation?

see more

### See more of what you like onThe Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

### Poll

Join the discussion

#### With no certainty that exams next year will take place, how does this make you feel?

More motivated (70)
28.93%
Less motivated (172)
71.07%