Mathematics, 16.07.2019 09:00, onlymyworld27
So, i figured out how to find the sine and cosine of ββ, but i wasn't sure how to complete the problem. do i find the sine of ββ and the sine of 2 separately then divide them? is it more or less complicated than that? for the !
Answers: 1
, we only need to know the value of 
. But there are two possible values. To decide which to take, we use the given information: we know that 
lies in quadrant III, which means 
, so 
, which places 
in quadrant II. In this quadrant, the sine of angle is positive, and so
lies on the circle 
. The 
-coordinate is all we need to know in order to find that 
. So,
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So, i figured out how to find the sine and cosine of ββ, but i wasn't sure how to complete the probl...
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