baileychole
baileychole baileychole
  • 04-03-2021
  • Mathematics
contestada

4. Which trigonometric expression is equal to cos 72°? A. cos 55° B. cos 50° C. sin 61° D. sin 18°​

4 Which trigonometric expression is equal to cos 72 A cos 55 B cos 50 C sin 61 D sin 18 class=

Respuesta :

reeserl reeserl
  • 04-03-2021

Answer:

D.  sin 18°

Step-by-step explanation:

sin 18 because 18 + 72 = 90

Answer Link

Otras preguntas

true or false the american revolution was fought by the american colonies and china??
Name the singer/songwriter of “On the 4th of July.”
This song was popular with American troops during the Revolutionary War. Here is a part of its famous refrain: “Stuck a feather in his cap, and called it macar
The economy of the Hopewell people of North America was based on?a. no sedentary activities, but trading of plants for medicine.b. full-scale domesticated agric
What historical event do Americans celebrate on the Fourth of July? 1.Official signing of the Declaration of Independence 2.George Washington's birthday 3.The f
What is English Literature??
How many people were living in the United States of America on July 4, 1776? 2.5 million 9 million 15 million 30 million
In what city will you find NASA’s headquarters for all piloted U.S. space projects?
This watery vacation spot is considered part of both California and Nevada. Name this lake
Name the singer/songwriter of “On the 4th of July.”