just wondering how they got
but was wrong
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I got 2 root 2 as well..isn't this in the 1st quadarant...hence Sin = a positive...
Its in the 4th quadarant
Originally Posted by justinwager I got 2 root 2 as well..isn't this in the 1st quadarant...hence Sin = a positive... yeah thats what i thought.. its wierd. dont know how they got the -1 and root 2 on the denom
Originally Posted by 11rdc11 Its in the 4th quadarant yeah coz u go backyards , but it still shud be what i wrote..
Originally Posted by 11rdc11 Try this why did u multiply it by 1 ? sqrt 2 / sqrt 2
To make it look like the answer provided. It doesn't change the answer since what I did to the numerator I also did to the denominator so it valid
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