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Homework Help Forum: trig
Posted by ana on Thursday, October 15, 2009 at 10:23pm.
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solve sin x-1=0 for 0degress<x<360 degrees
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- trig - Reiny, Thursday, October 15, 2009 at 10:38pm
sin x-1=0
sinx = 1
from looking at your standard sine curve graph, you can see that the curve reaches the value +1 when x = 90º
or
set your calculators to degrees and find
arcsin 1
on my calculator:
2nd sin
1
=
I get 90
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