ballamybeth
ballamybeth ballamybeth
  • 13-10-2016
  • Mathematics
contestada

5. What is the value of tan 45°?
A. √2/2
B. √3/2
C. 1
D. √3

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 17-10-2016
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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