sydnul0olaYasmithay
sydnul0olaYasmithay sydnul0olaYasmithay
  • 15-08-2016
  • Mathematics
contestada

Which pair of angles has congruent values for the sin x° and the cos y°?
Select one:
a. 40°; 140°
b. 40°; 80°
c. 40°; 50°
d. 40°; 40°

Respuesta :

andriansp andriansp
  • 19-08-2016
We need to remember that   cos y   = sin (90-y)

So , the angles that has congruent values for sin x and cos y is : C. 40° and 50°

cos 40   = sin (90 - 50)

cos 40 = sin 40

hope this helps
Answer Link

Otras preguntas

Elvis Presley recorded a sad Christmas song in the fifties of what color?
Help me Plaese How can you measure the volume of a solid that does not have a regular shape? What property must the solid NOT have for your method to work? The
Washington's main objective as President of the United States was to: A. maintain his power and get reelected B. keep peace between the northern and southern st
Henry Ward Beecher, a fervent abolitionist from Cincinnati, Ohio, was the author of Uncle Tom's Cabin. True False
Which is evidence supporting the theory of continental drift? A. The Appalachian Mountains of North America are continuous with mountains of Scotland and Scandi
Which well-known author of fantasy fiction also created a book called The Father Christmas Letters? A) Lewis Carroll B) J.R.R. Tolkien C) E. Nesbit D) C.S. Lewi
If the area is given (237.787) how do you find the diameter? In words please:)
can you work this out like a division 26.1 divided by 6
After Joseph, Mary and Jesus left Bethlehem, they went to what country?
Why did friars and Jesuits go to the Spanish colonies in the Americas? A. They went to convert the native peoples to Catholicism. B. They went to serve the nati