janiveaaskew
janiveaaskew janiveaaskew
  • 11-03-2020
  • Mathematics
contestada

Solve the equation for principal values of x. Express solutions in degrees.

2cosx + 1 = 0

A. 330°
B. 60°
C. 30°
D. 120°

​

Respuesta :

rrent424
rrent424 rrent424
  • 04-05-2020

Answer:

[D]  120°

Step-by-step explanation:

just got done with the practice on solving trig equations; this is the right answer on edge

Answer Link

Otras preguntas

The Sun emits a lot of radiation. The different types of radiation are the electromagnetic spectrum. Which of the following wave types are part of the spectrum?
All of the following physical reactions occur when our fight-or-flight response is triggered except __________. a. dilating pupils b. increasing heartbeat c.
What do scholars call the Phoenician writing system? A) cuneiform B.) hieroglyphics C) the phonetic alphabet D.) Sanskrit
An organized arrangement of information in labeled rows and columns is called a _____?
The Ring of Fire is located in the _____. Indian Ocean Pacific Ocean Atlantic Ocean Southern Ocean
Term for the approximately 76 million children born between the 1940s and the 1960s.
Solve this proportion. 15/5=20/n. What is n?
What was Henry David Thoreau's book Walden about? A. Transcending the conventions of society by living in solitude B. Fixing the world's wrongs through hard wor
Explain how the two strategies to solve 500 - 211 are related.
what were two main sources of greek religious beliefs