Applications of Trigonometry Answers

1. 17.63 cm

2. (i) Period = 8 hours

(ii) Times are 4 am, 12 noon, 8 pm

(iii) Minimum quantity is 1 unit

(iv) At 3.15 am

3. 1. Proof

2. Proof

4. a. A = 3 and B = 5

b. 3 hours 48 minutes

5. a. (i) x = 664.9 (1 d.p.)

(ii) Proof

b. Proof

c.