Finding a Missing Angle of a Right Triangle. EXAMPLE #1 First: figure out what trig ratio to use in...
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Finding a Missing Angle of a Right Triangle
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Transcript of Finding a Missing Angle of a Right Triangle. EXAMPLE #1 First: figure out what trig ratio to use in...
![Page 1: Finding a Missing Angle of a Right Triangle. EXAMPLE #1 First: figure out what trig ratio to use in regards to the angle. Opposite and Adjacent O,A.](https://reader036.fdocuments.us/reader036/viewer/2022082418/5697c00e1a28abf838cca1c7/html5/thumbnails/1.jpg)
Finding a Missing Angle of a Right Triangle
![Page 2: Finding a Missing Angle of a Right Triangle. EXAMPLE #1 First: figure out what trig ratio to use in regards to the angle. Opposite and Adjacent O,A.](https://reader036.fdocuments.us/reader036/viewer/2022082418/5697c00e1a28abf838cca1c7/html5/thumbnails/2.jpg)
EXAMPLE #1
First: figure out what trig ratio to use in regards to the angle. Opposite and Adjacent
O,A means we use Tan!
Second: set up the tangent ratio.
Third: use the inverse key (2nd key).
x
27
33
33
27Tanx
3.3933
271
Tan
![Page 3: Finding a Missing Angle of a Right Triangle. EXAMPLE #1 First: figure out what trig ratio to use in regards to the angle. Opposite and Adjacent O,A.](https://reader036.fdocuments.us/reader036/viewer/2022082418/5697c00e1a28abf838cca1c7/html5/thumbnails/3.jpg)
EXAMPLE #2 First: figure out what
trig ratio to use in regards to the angle. Opposite and Hypotenuse
O,H means we use Sin!
Second: set up the sine ratio.
Third: use the inverse key (2nd key).
x
4533
45
33sin x
2.4745
33sin 1
![Page 4: Finding a Missing Angle of a Right Triangle. EXAMPLE #1 First: figure out what trig ratio to use in regards to the angle. Opposite and Adjacent O,A.](https://reader036.fdocuments.us/reader036/viewer/2022082418/5697c00e1a28abf838cca1c7/html5/thumbnails/4.jpg)
EXAMPLE #3 First: figure out what
trig ratio to use in regards to the angle. Adjacent and Hypotenuse
A,H means we use Cos!
Second: set up the cosine ratio.
Third: use the inverse key (2nd key).
x
4826
48
26cos x
2.5748
26cos 1