kTatyaj3pentuli kTatyaj3pentuli
  • 11-11-2016
  • Mathematics
contestada

Which of these is equal to cos 47Á? A) cos 43Á B) sin 43Á C) tan 43Á D) cos 133Á

Respuesta :

pandamanog
pandamanog pandamanog
  • 17-11-2016
I believe the answer is B.
Answer Link
alsteva alsteva
  • 18-11-2016
Correct answer is B.

[tex]\alpha+\beta=90^o \\ \cos{\alpha}=\sin{(90^o-\alpha)} \\ \cos{47^o}=\sin{(90^o-47^o)}=\sin{43^o}[/tex]
Answer Link

Otras preguntas

solve for x in the parallelogram
Bonds that form between water molecules are called.
… I don’t know what to say but the question on the photo I sent pls help me it’s due in 30 MINUTES!!!
PLEASE HELP WILL MARK BRAINLIEST THANK YOU
2. From 1901 to 2013, sea surface temperatures rose at an average of 0.13°F per decade. How do the population changes of these warm-water species coincide with
a/6.5 = 45/100 solve for a
Pleaseeeeee helpme :) How would you describe William McKinley’s legacy
Why did the Cold War end
Why was the land in the middle colones attractive to immigrants
Which statement reflects a principle of judicial review? A. State law takes precedence over federal law. B. The Constitution is the supreme law of the land. C.