bsneed01 bsneed01

Today at 12:21 AM
Mathematics

Answered

what is the first step to solve this equation 4cos(x)=1+2cos(x)?

what is the first step to solve this equation 4cos(x)=1+2cos(x)? class=

Answer :

mkryukova19 mkryukova19

Today at 12:27 AM

4cos(x)-2cos(x)=1+2cos(x)-2cos(x)
2cos(x)=1
cos(x)=1/2 (Positive cos are only in the first and 4th quadrants.)
x=π/3,
x=2π - π/3 = 5π/3

Answer Link

Other Questions

Which of the following lists include moderate to vigorous physical activities that you can participate in outside of school?

Alike, alive, and awake are which type of adjective?Neither predicative or attributiveAttributive onlyPredicative onlyPredicative and attributive

explain what is cytoplasm on short

The first successful transfusion of human blood

1. Present your report on disaster management in the context of Kovid-19. related to educated unemployment found around you. In which this ais the cause of educ

Manish weight is 83 kg 450 g and Ashish is 6 kg 900 g heavier than him . Find Ashish weight in kg. Word problem of maths subject

Which sentence uses capital letters correctly? A. Ada is from the Island of puerto Rico. B. Ada is from the Island of Puerto Rico. C. Ada is from the island of

How many more dogs than cats were over 10 pounds?The graph compares the weights in pounds of 100 dogs and cats that are brought in to a veterinarian's office.

As we move above up from one tropical level to another in an energy pyramid, what happens to the energy?

Pluto has a shape that is nearly round and it orbits the sun it has five known moons why is ot called a dwarft planet and not a planet

What was mot true about the economy at the end of ww2?

Snow forms on Mount Kilimanjaro in Africa because of the mountain’s .winds latitude elevation precipitation

What problems did Haiti experience after this earthquake?

Zachary says that the equation 0 =-1/2 (x – 4)(x – c. has one unique real number solution. What must be the value of c for his statement to be true? c =

The school has a duty to include new food on the menu. What type of rhetorical device is used here? A. Rhyming B. Consonance C. Assonance D. Alliteration

What event is foreshadowed by the Prince’s words? Romeo and Juliet meeting at a wild party Romeo and Juliet disobeying their parents Romeo and Juliet’s secret w