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Mathematics
Maci
1 September, 21:41
There are values of t so sin t =.3 and cos t=-.6
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Audrey Jarvis
2 September, 00:16
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What's the question in this I don't understand
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Lilian
2 September, 00:46
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A pretty straight way to determine this is to evaluate t for both of these equations, although it may not be the method you are looking for.
For sin (t) =.3
arcsin (.3) = t (that is what the arcsin is)
In degrees that is 17.457603124.
Thus sin (17.457603124) =.3
For cos (t) = -.6
arccos (-.6) = 126.86989765
Now there are multiple values of t where cos (t) = -.6. The values repeat every 360 degrees so, the cos of - 233.13010235 degrees or 486.86989765 degrees also produce -.6. But none of these match the t given by the first equation. So no, there is no value of t that produces sin (t) =.3 AND cos (t) = -.6.
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