I dont understand the answer to this a level maths trig question

leoishush

Please explain how? Screenshot 2022-06-14 8.25.43 PM.png

(edited 1 year ago)

Reply 1

mqb2766

Original post by val7322

Please explain how? Screenshot 2022-06-14 8.25.43 PM.png

Take atan() and remember there are multiple solutions. What are you stuck with?

Reply 2

leoishush

Original post by mqb2766

Take atan() and remember there are multiple solutions. What are you stuck with?

i got 355 by add 180 to 175 but I don't know how to get the other values

Reply 3

mqb2766

Original post by val7322

i got 355 by add 180 to 175 but I don't know how to get the other values

Assuming youve got the 175 correctly, youll see in the posted solution that you add on multiplies of 60, as 60=180/3.
It really does help to post your working, rather than a "1 liner"

(edited 1 year ago)

Reply 4

leoishush

ahhh i see where i went wrong

Original post by mqb2766

Assuming youve got the 175 correctly, youll see in the posted solution that you add on multiplies of 60, as 60=180/3.
It really does help to post your working, rather than a "1 liner"