Trig Function Review

Which function would you use?

7

x

32º

Hypotenuse

Adjacent

SOHCAHTOA

HypotenuseCAH

Which function would you use?

SOH

TOA

Cosine

7

x

32º

Adjacent

Solve.7

32cosx

71

8480. x7

x

32º 936.5x

9.5x(if rounded to the tenth)

Decide which function to use.

2

9

x

Tangent

Decide which function to use.

4x

25º

Sine

Decide which function to use.

30

x

15º

Cosine

Decide which function to use.

16

x

23º

Sine

Decide which function to use.

20

x 52º

Tangent

Decide which function to use.

2013 x

Cosine

Decide which function to use.

53º13

x

Sine

Solve.

2

9

x

9

2tan x

2222.0tan x

º527.12x

º5.12x(if rounded to the tenth)

Solve.

4x

25º

x

425sin

x

4

1

4226.0

44226.0 x

5.9x(if rounded to the tenth)

46.9x

Solve.

30

x

15º

x

3015cos

x

30

1

9659.0

309659.0 x

1.31x(if rounded to the tenth)

05.31x

Solve.

16

x

23º

x

1623sin

x

16

1

3907.0

163907.0 x

0.41x(if rounded to the tenth)

95.40x

Solve.

20

x 52º

x

2052tan

x

20

1

2799.1

202799.1 x

6.15x(if rounded to the tenth)

62.15x

Solve.

2013 x

20

13cos x

65.0cos x

º458.49x

º5.49x(if rounded to the tenth)

Solve.

53º13

x

x

1353sin

x

13

1

7986.0

137986.0 x

3.16x(if rounded to the tenth)

27.16x

All of the Trigonometric functions:

Draw a picture and solve:

tan8025

141.78

o x

x feet

Draw a picture and solve:

20sin 36

34x

x feet