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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
200
What sides do we divide when solving for the cosine of an angle?
Adjacent / Hypotenuse
200
Sin 350 =
Sin 350 = a/20
300
What sides do we divide when solving for the tangent of an angle?
Opposite / Adjacent
300
Sin 400 =
Sin 400 = 1.7/40
300
Cos 350 =
Cos 350 = a/20
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
What does the acronym SOHCAHTOA stand for?
(Write out each word in order.)
Sine
Opposite
Hypotenuse
Cosine
Adjacent
Hypotenuse
Tangent
Opposite
Adjacent
400
y = 2.2
400
Tan 400 =
Tan 400 = 1.7/y