Original post by Hannahkisley
For question 3, I got x= 0, pi and 2pi. Is this correct?
You are missing two solutions. Please post your working.
Original post by Notnek
You are missing two solutions. Please post your working.
Original post by Hannahkisley
You should never divide an equation by something that could be equal to 0, in this case tan(x). You will lose solutions.
You should factorise instead. Have a go and post your working again if you’re stuck.
Original post by Notnek
You should never divide an equation by something that could be equal to 0, in this case tan(x). You will lose solutions.
You should factorise instead. Have a go and post your working again if you’re stuck.
You should factorise instead. Have a go and post your working again if you’re stuck.
Ah ok, thank you!
Original post by Hannahkisley
Ah ok, thank you!
Also, when you did divide by tan x, you did it incorrectly! You would have got , not 0.
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