8 6 sin cos ratios

9
8-6 8-6 The Sine and Cosine Ratios The Sine and Cosine Ratios

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Page 1: 8 6 Sin Cos Ratios

8-68-6

The Sine and Cosine RatiosThe Sine and Cosine Ratios

Page 2: 8 6 Sin Cos Ratios

Review TangentReview Tangent

tanopp

xadj

X Z

Y

opp

adj

hyp

Page 3: 8 6 Sin Cos Ratios

Tangent exampleTangent example

X Z

Y

a

14

34ͦ

tan 3414

a

0.674514

a

9.4a

Page 4: 8 6 Sin Cos Ratios

What about the What about the hypotenuse?hypotenuse?

X Z

Y

a

14

34ͦ

c

Page 5: 8 6 Sin Cos Ratios

SineSine

sinopp

xhyp

X Z

Y

opp

adj

hyp

Page 6: 8 6 Sin Cos Ratios

CosineCosine

cosadj

xhyp

X Z

Y

opp

adj

hyp

Page 7: 8 6 Sin Cos Ratios

How are we going to How are we going to keep this all together?keep this all together?

Page 8: 8 6 Sin Cos Ratios
Page 9: 8 6 Sin Cos Ratios

SOHCAHTOASOHCAHTOA

sin

cos

tan

oppx

adj

adjxhyp

oppx

adj

s =

c =

t =

o

ha

ho

a