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momo1039
13.09.2019 •
Mathematics
Exactly find sin(x+y) if sinx= 1/3 where x ends in the
2ndquadrant and cosy= 1/5 where y ends in the first quadrant.
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Ответ:
Step-by-step explanation:
Since we have given that
Since x ends in the 2 nd quadrant,
So,![\cos x=\dfrac{-2\sqrt{2}}{3}](/tpl/images/0230/2557/41833.png)
Similarly,
So, sin(x+y) is given by
Hence,![\sin(x+y)=\dfrac{1-8\sqrt{3}}{15}](/tpl/images/0230/2557/bfa1c.png)
Ответ:
That would be $705.01
Step-by-step explanation:
Hope this helped