Answer:
a=1 and b=13
do you need the working out?
Answer:
∠ABC= 35°
Step-by-step explanation:
im not sure if u need explanation but comment if u do
Answer:
not sure
Step-by-step explanation:
Amplitude: 1/4 (= |a|)
Frequency: 1/2 (= |b|)
Period: 4pi (= 2pi/|b|)
-0.5,-0.4,-0.3,-0.1,0,1,2,3,4,4.17