SOLUTION: How do I use an inverse trigonometric function to write theta as a function of x? Please help. Thank You. Hope this helps. a).........../| ............/..| ........../....| ...

Algebra ->  Trigonometry-basics -> SOLUTION: How do I use an inverse trigonometric function to write theta as a function of x? Please help. Thank You. Hope this helps. a).........../| ............/..| ........../....| ...      Log On


   



Question 716051: How do I use an inverse trigonometric function to write theta as a function of x? Please help. Thank You. Hope this helps.
a).........../|
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....x/........|
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/theta......|
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.....4
b).........../|
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....../........|x+1
..../..........|
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/theta......|
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....10

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How do I use an inverse trigonometric function to write theta as a function of x? Please help. Thank You. Hope this helps.
a).........../|
............/..|
........../....|
......../......|
....x/........|
..../..........|
../............|
/theta......|
------------
.....4
cos = 4/x
theta = acos(4/x)
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b).........../|
............/..|
........../....|
......../......|
....../........|x+1
..../..........|
../............|
/theta......|
------------
....10
tan = (x+1)/10
theta = atan((x+1)/10)