Rules
Sine
Cosine
Tangent
All 3!
100
What sides do we divide when solving for the sine of an angle?
Opposite / Hypotenuse
100
Sin (71) = ?
Round to the nearest tenths.
Sin (71) = 0.9
100
Cos (40) = ?
Round to the nearest tenths.
Cos (40) = 0.8
100
Tan (45) = ?
Round to the nearest tenths.
Tan (45) = 1.0
100
Tan (30) = ?
Round to the nearest tenths.
Tan (30) = 0.6
200
What sides do we divide when solving for the cosine of an angle?
Adjacent / Hypotenuse
200
a = 11.5
300
What sides do we divide when solving for the tangent of an angle?
Opposite / Adjacent
300
a = 11.5
300
a = 16.4
300
a = 14.0
400
Which ratio would we use if the sides we know are the adjacent side and the opposite side?
Tangent
400
y = 2.6
400
y = 2.2
400
y = 2.0
500
What does the acronym SOHCAHTOA stand for?
(Write out each word in order.)
Sine
Opposite
Hypotenuse
Cosine
Adjacent
Hypotenuse
Tangent
Opposite
Adjacent
500
a = 8.0
500
a = 16.6
500
b = 7.8