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

How were the native peoples of the Americas living prior to European contact? A. They were organized into two large empires of the Incas and the Aztecs. B.
Mrs Frazier is making costumes for the school play. Each costume requires 0.75 yards of fabric. She bought 6 yards of fabric. How many costumes can Mrs Frazier
what is 402 rounded to the nearest ten and hundred
how did mercantilism cause the american revolution
Which statements correctly describe the Delian League? Choose all answers that are correct. a. Athens dominated the league and meddled in the affairs of other
Why was the pharaoh's authority never questioned
Gina and her brother are collecting pennies at home.They have 382 pennies so far. If they trade the pennies for dimes,how many dimes will they have? How many pe
You are to give ampicillin 35 mg/kg to a child with a mass of 26 kg. If stock on hand is 250 mg/capsule, how many capsules should be given?
a bridge is 500m long. A 100m long train crosses it at a speed of 30m/s. Find the time taken by the train to cross it.
What is 65,754.59 rounded to the nearest tenth