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

a hotel finds that its revenue is given by r=8000 +760x-30x2 when it charges 80 +10x dollars for a room. what is the maximum?

When hypersensitivities or an immune system's response causes tissue damage as it fights off a perceived threat that would otherwise be harmless to the body, it

a triangle has angle measures of 40°, 59°, and 81°. the side opposite the 40° angle is 11 centimeters long. find the length of the side opposite the 81° angle t

The Russian lawmaking body was called

which type(s) of symmetry does the figure have? a: rotational and reflectional b: reflectional c: rotational d: none of these

What are ionic bounds?

I need help!!! ASAP Carbon dioxide enters the atmosphere through each of the following processes except one. Which one? Question 6 options: A burning fossil fue

A person walks in a distance x northward, turns around and walks a distance 7.00x southward. if the total displacement of the person from his starting position

What to events were causes of the American revolution

You may feel pressured to become sexually active if your friends are sexually active. Please select the best answer from the choices provided. T F