Seudónimo Seudónimo
  • 21-01-2017
  • Mathematics
contestada

5.) Write the trigonometric function Sin 64° in terms of its co-function.
a) Cos (64°)
b) Cos (116°)
c) Cos (26°)
d) Cos (46°)

Respuesta :

yashddsy26
yashddsy26 yashddsy26
  • 21-01-2017
so...sin (90-theta) = cos theta

so.... sin 64= sin(90-26)
=>cos 26

so the answer is C
Answer Link
kaevras
kaevras kaevras
  • 21-01-2017
Cos(26)


because

Sin(x) = Cos(90 - x)
and
Cos(x) = Sin(90 - x)
Answer Link

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