1. (1) Trig Solutions Tan x 35o 7 S H O C H A T A O
You know the adjacent and want the opposite.
Opp = Tan x Adj
x = tan 35 x 7
x = 4.9 (1.d.p.) x
35o 7
S H O
C H A
T A O

2. (2) Trig Solutions Sin x 10 40o S H O C H A T A O
You know the opposite and want the hypotenuse. x
Hyp = Opp/sin40
x = 15.6 cm 10
40o
S H O
C H A
T A O

3. (3) Trig Solutions Cos 35o 20 S H O C H A T A O
You know the adjacent and want the hypotenuse.
35o x
Hyp = Adj/cos 35
x = 24.4 20
S H O
C H A
T A O

4. (4) Trig Solutions Sin x 12 38o S H O C H A T A O
You know the hypotenuse and want the opposite. x 12
38o
Opp = Hyp x sin 38
x = 12 x sin 38
x = 24.4
S H O
C H A
T A O

5. (5) Trig Solutions Tan 20 42o x S H O C H A T A O
You know the opposite and want the adjacent. 20
Adj = Opp/tan 42
x = 22.2
42o x
S H O
C H A
T A O

6. (6) Trig Solutions Sin 15 10 o S H O C H A T A O
You know the opposite and the hypotenuse. And want to know the angle 15 10 o
S H O
C H A
T A O

7. (7) Trig Solutions Cos 21o x S H O C H A T A O
You know the hypotenuse and want the adjacent.
21o
100
Adj = Hyp x Cos 21
x = 100 x cos 21
x = 93.4 x
S H O
C H A
T A O

8. (8) Trig Solutions Tan 24 37o x S H O C H A T A O
You know the opposite and want the adjacent. 24
Adj = Opp/tan 37
x = 31.8
37o x
S H O
C H A
T A O

9. (9) Trig Solutions Sin 18 10 o S H O C H A T A O
You know the opposite and the hypotenuse. You want to find the angle. 18 10 o
S H O
C H A
T A O

10. (10) Trig Solutions Sin 400 200 o S H O C H A T A O
You know the opposite and the hypotenuse. You want to find the angle.
400
200 o
S H O
C H A
T A O