(1) Trig Solutions

1. O A O S H C H T A (1) Trig Solutions Tan 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

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

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

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

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

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

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

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

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

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