Trig

[steep rain]

Tried using formula but dont know what to do next

[tight anvil]

What topic is this?

[lament island]

Trig

[steep rain]

Trig

[tight anvil]

Yeah ik that but which one specifically in the book

[lament island]

Sin/cos = tan

[steep rain]

trig identities

I got this so far

[fervent coral]

How did you expand that first part

[steep rain]

used this formula

[fervent coral]

Tf

[steep rain]

what

[fervent coral]

What chapter is this

[steep rain]

are u doing aqa?

[fervent coral]

Ocr

[steep rain]

hmm

addition formula or something

[fervent coral]

Seen it on the data sheet just haven’t done it yet ig

[steep rain]

oh

<@&791435371564892232>

[humble shell]

You can evaluate some of the functions

Then it’s all in terms of sinx and cosx

So you can make it in the form asinx = bcosx then divide by acosx
Tanx = b/a then solve from there

Check whether cosx = 0 though

[steep rain]

doesnt say