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

The vanishing point of the picture is represented by point B. A) The measure of angle ABD is is 6.2 times greater than the measure of angle CBD. Find the measur

Soreness in muscles after a heavy workout may be partially due to a buildup of lactic acid during fermentation. this occurs when the mitochondria in muscles run

Based on this phylogeny, which vertebrate groups would you expect to have lungs or lung derivatives? select all that apply.

How were the smith act and huac supposed to discourage communism in the united states?

What is the domain of the function y=3\sqrt(6x+42)

A sample of ancient granite crust is dated using potassium-40. Scientists find that 50% of the potassium-40 has decayed to form argon-40. Approximately how old

Which country has the absolute advantage in bananas coursehere?

How can you use the Freudian tools for dream analysis?

What is the height of a triangle that has an area of 60 yd squared and a base with a length of 12 yd

The sides of a rectangle are in the ratio of 4:5. If the width is 28 in., find the length, the perimeter, and the area of this rectangle.