kalanivale999
kalanivale999 kalanivale999
  • 13-06-2020
  • Mathematics
contestada

If sin 30º = cos(2x), then x=

Respuesta :

TheLazyNobita
TheLazyNobita TheLazyNobita
  • 13-06-2020

Answer:

sin 30 = cos 2x

cos60 = cos 2x ( sin(90 - 60) = cos60)

2x = 60

x = 30

Answer Link
mhanifa
mhanifa mhanifa
  • 13-06-2020

Answer:

30°

Step-by-step explanation:

sin 30º = cos(2x)

sin 30º = cos (90°-30°)

⇒2x=60° ⇒ x=30°

Answer Link

Otras preguntas

URGENT!! PLEASE HELP!! I need to finish this for homework before tommorow comes! I need your help ASAP!! So I don't understand this, can you guys help explain t
the rounded atomic mass of helium
You have studied the executive branch of government and the wide range of power, as well as the various roles of the head of that branch, the president. Conside
What is the purpose of environmental remediation? (2 points) to restore water to its original purity levels to make the most of currently used technologies and
which is the better buy $10 for 2 pounds or $6 for 1 pound
What is a hydrocarbon?
Working together, two identical water pumps can fill a pull in 10 hours. Determine whether quantities (number of pumps and hours) vary directly or inversely and
In rectangle ABCD, AB=8 units and BC=15 units. Find BD
The bond between two oxygen atoms (a molecule of oxygen air) has two characteristics. What are they? A.Valence electrons are shared between oxygen atoms. B.A do
Which of the following is a vector quantity? A. 83 ounces of liquid B. 55 km/hr in a truck C. 15 seconds of travel D. 10 m/s down