5. What is the value of tan 45°?
A. √2/2
B. √3/2
C. 1
D. √3
1 answer:
If we use the unit circle: sin 45° = √2/2 cos 45° = √2 / 2 tan x = sin x/ cos x tan 45° = sin 45°/ cos 45° = √2 / 2 : √2 / 2 = 1 Answer: the value of tan 45° is C ) 1
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