Question

If 0 lies in the quadrant IV. What can be the value of cos 0?
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Answer 1

Answer:

D

Step-by-step explanation:

Since Θ is in the fourth quadrant where cosΘ > 0

The only positive values are B / D

since 0 < cosΘ < 1

$\frac{\sqrt{41} }{5}$ > 1 then

D is the appropriate response

Answer 2

Answer:

D

Step-by-step explanation:

option A and B can not be because square root of 41 is irrational number option C can not be because in 4th quadrant cos is positive so option D is correct.