Question

(a) Find angle A
20
(b) Show that can 10 15'tan 75'tan 80 = 1
(0) Solve graphically
2x +2y-30 and x + 2y + 10​

Answer 1

Step-by-step explanation:

(a) Find angle A

20

(b) Show that can 10 15'tan 75'tan 80 = 1

(0) Solve graphically

2x +2y-30 and x + 2y + 10