8 6 Sin Cos Ratios Noted
Transcript of 8 6 Sin Cos Ratios Noted
8-68-6
The Sine and Cosine RatiosThe Sine and Cosine Ratios
Review TangentReview Tangent
tan oppxadj
X Z
Y
opp
adj
hyp
Tangent exampleTangent example
X Z
Y
a
1434 ͦ
tan 3414a
0.674514a
9.4a
What about the What about the hypotenuse?hypotenuse?
X Z
Y
a
1434 ͦ
c
SineSine
sin oppxhyp
X Z
Y
opp
adj
hyp
sin 24sin 24°= ?°= ?
0%
100%
0%
0% 1.1. 0.40230.40232.2. 0.91350.91353.3. 0.40670.40674.4. 0.44630.4463
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sin ___ = 0.4856sin ___ = 0.4856
0%
0%
96%
4% 1.1. 2626°°2.2. 2929°°3.3. 4545°°4.4. 0.00850.0085
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Solve for x.Solve for x.
0%
95%
0%
5%
X9
23°
1.1. 2.32.32.2. 2.02.03.3. 3.33.34.4. 2.82.8
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CosineCosine
cos adjxhyp
X Z
Y
opp
adj
hyp
cos 24cos 24°= ?°= ?
0%
95%
0%
5% 1.1. 0.40230.40232.2. 0.67540.67543.3. 0.91350.91354.4. 0.44630.4463
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Solve for x.Solve for x.
5%
95%
0%
0%
X
1223°
1.1. 17172.2. 553.3. 13134.4. 1414
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How are we going to How are we going to keep this all together?keep this all together?
SOHCAHTOASOHCAHTOAsin
cos
tan
oppxadjadjxhypoppxadj
s =
c =
t =
ohahoa
SPICSASPICSA
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