Trigonometry - Double Angle help 😔

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dxnixl
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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 :/

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RDKGames
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(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 :/

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Views: 6
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Thanks
No need to apologise for posting multiple question

Note that \tan \theta = \tan \left( 2 \cdot \dfrac{\theta}{2} \right) 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.
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dxnixl
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(Original post by RDKGames)
No need to apologise for posting multiple question

Note that \tan \theta = \tan \left( 2 \cdot \dfrac{\theta}{2} \right) 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
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