The Trigonometric Functions we will be looking at

1

The Trigonometric Functions we will be looking at
SINE
COSINE
TANGENT
2
The Trigonometric Functions
SINE
COSINE
TANGENT
3
SINE
Prounounced sign
4
COSINE
Prounounced co-sign
5
TANGENT
Prounounced tan-gent
6
Greek Letter q
Prounounced theta
Represents an unknown angle
7
hypotenuse
hypotenuse
opposite
opposite
adjacent
adjacent
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We need a way to remember all of these ratios
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Some
Old
Hippie
Came
A
Hoppin
Through
Our
Old Hippie
Apartment
10
Sin
SOHCAHTOA
Opp
Hyp
Cos
Adj
Hyp
Tan
Opp
Adj
Old Hippie
11
Finding sin, cos, and tan.(Just writing a ratio
or decimal.)
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SOHCAHTOA
10
8
6
13
Find the sine, the cosine, and the tangent of
angle A. Give a fraction and decimal answer
(round to 4 places).
10.8
9
A
6
14
Find the values of the three trigonometric
functions of ?.
?
Pythagorean Theorem
5
4
(3)² (4)² c²
5 c
3




15
Find the sine, the cosine, and the tangent of
angle A
24.5
Give a fraction and decimal answer (round to 4
decimal places).
8.2
A
23.1