tomatoshelby tomatoshelby
  • 12-04-2020
  • Mathematics
contestada

Solve the following trigonometric question:
cos x=3 cos x-2

Respuesta :

Hrishii
Hrishii Hrishii
  • 12-04-2020

Answer:

x = 0°

Step-by-step explanation:

[tex] \cos x = 3 \cos x - 2 \\ 2 = 3 \cos x - \cos x \\ 2 = 2\cos x \\ \cos x = \frac{2}{2} \\ \cos x =1 \\ \cos x =\cos 0 \degree \\ \huge \red{ \boxed{x = 0 \degree}} \\ [/tex]

Answer Link

Otras preguntas

When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find the number of moles of oxygen th
what was the problem with the location where the settlers of Jamestown landed?
Martin Luther King said: "Nonviolence is a powerful and just weapon, which cuts without wounding and ennobles the man who wields it. It is a sword that heals.
If a balloon is left in a closed car on a hot day, what will happen to it?
Generally, HIGHER risk means you will have a LOWER rate of return on your investments. True OR False?
What should be avoided in a literary analysis? A) Quoting the Text B) Literary Terms C) Transitions D) Plot Summaries
On a farm, the farmer decides to give pizza to her 15 ducks as a special treat. She orders 3 pizzas, and the total price is $23.46. What is the unit price of ea
The main criticism of the Articles of Confederation was that they failed to
What does incidents do in personal narrative
why does everything have to do with social media? why can't the world be more interactive?