Original post by fatherdougal
Can anyone help me with this c3 maths trig.
I would ignore the fact that y could be obtuse for the moment. Draw a right-angled triangle with angle y in it. You are looking for an angle whose sine is y. This should enable you to get a much simpler answer for a) which then makes b) very straight forward.
Original post by serendipity-
...
Please do not give full solutions it is against the forum guidelines
Original post by TenOfThem
Please do not give full solutions it is against the forum guidelines
oh, sorry. I'm new, I didn't know it was against any rules.
Original post by serendipity-
oh, sorry. I'm new, I didn't know it was against any rules.
That's ok
http://www.thestudentroom.co.uk/showthread.php?t=403989
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