Answer:
(0,5)
Step-by-step explanation:
Answer:
0.02
Step-by-step explanation:
Answer:
2 solutions, one positive and one negative
Step-by-step explanation:
A positive times a positive is always positive and a negative times a negative is always positive. Example square root of 9 is -3 and 3. 3x3=9 and -3 x -3= 9
Answer:
a. cos(160), cos(120), cos(80), cos(40)
b. sin(-90), sin(-120), sin(30), sin(80)
c. cos(130), cos(240), cos(-30), cos(380)