Question

write the value of cos O°,cos 30°,cos 45°,cos 90° what happens to the values of cosO as O increases to 90

Answer 1

Answer:

cos 0 =1

cos30 = root 3/2

cos45= 1/root2

cos 90 = 0

the value decreases from 1 to 0 as the angle of cos increases from 0 to 90

Step-by-step explanation: