berkshockeysj
berkshockeysj berkshockeysj
  • 02-02-2021
  • Mathematics
contestada

Someone plzzzz help me

Someone plzzzz help me class=

Respuesta :

lucic
lucic lucic
  • 03-02-2021

Answer:

None of these

Step-by-step explanation:

The two cases are for trigonometry special angles.

The cosine of an angle is given as the adjacent side length divided by the hypotenuse side length

Cos ∅ = A/H

1. The case of 45°,45°,90°

Cos x = 1 /√2

2. The case of 30°, 60° ,90°

Cos x = 1/2   or  √3/2

   

Answer Link

Otras preguntas

Which of the following best describes the British position toward Native Americans after the Revolutionary War?
29 feet = how many yards and how many feet?
Criticisms of conformity and materialism in American society in the 1950s resulted in which of these? the rise of the Black Panther Party anti-war and women's r
How were Japanese-Americans treated during World War II?
How did monopolies contribute to the economic challenges that farmers faced in the United States in the late 19th century?
Despite the efforts of humanitarian aid organizations, some refugees end up as slaves or prostitutes. true or false
a plumber has a copper pipe 0.9 meter long he cuts the pipe into 4 equal pieces find the length of each piece in meters round your answer to the nearest tenth o
What is the function of the relative pronoun in the adjective clause? Albert Einstein, whose theories changed science forever, is a great inspiration to me. a.
Why are concentration gradients important to cells
What is carbon fixation, and how does it relate to photosynthesis?