vergonzalez11 vergonzalez11

24-02-2014
Mathematics

Answered

how do you solve for sinxcos2x+cosxsin2x=0 ?

Answer :

priyambaksi priyambaksi

24-02-2014

LHS is nothing but (using sin (a+b) = sin a cos b + cos a sin b)

sin (x+2x) = sin 3x = 0

so 3x = npi
or
x = npi/3

Answer Link

25-02-2014

The answer is x = n p i divided by 3

Answer Link

Other Questions

Which of the following materials will require the least amount of heat to raise it's temperature fromOC to 15 C? (basalt, ice, lead, or granite)

evid2. Finding a gun registered to a suspect at the scene of a crime is an examplewhich type of evidence?A. Direct evidenceB. Circumstantial evidenceC. Class ev

Un niño ve como una muñeca llamada Sally pone una pelotita en una canasta a la vista de otra muñeca, Anne. Cuando Sally sale de la habitación, Anne saca la boli

If a plant requires 2 liters of water per week and you water it every 3 days, how much water should you give it each time

A chopper aeroplane of mass 6 tons moves vertically upwards with uniform acceleration , it covered a distance 196 metre in 20 seconds from starting motion. Agai

Question #2: What are the four main components of Context-free grammars? Explaineach one? (2 mark)Question #3: Write Context-free grammars describe the syntax o

**Remplacez chaque verbe transitif indirect par un verbe transitif direct . a. Elle tient énormément à ses amis. → Elle. ..énormément ses amis. mon livre préfér

Edna's birthday is on the 6th of April and Jen's birthday falls on the 15th of October, therefore Amir's birthday must be the __?__ of january. answer for bra

The side lengths of a quadrilateral produce an arithmetic sequence. If the longest side has a length of 24 cm and the perimeter is 60 cm, what are the other sid

Which quotation from Chapter 10 of Hidden Figures best explains why Mary Jackson volunteered to lead a Girl Scoutroop in her hometown of Hampton, Virginia?о"The

Which of the following best describes how the majority of content decisions are made by the media? Content is rarely regulated by readers, viewers, and listener

Which of the following sentences contains a comma error? We left early for the airport, but a terrible accident delayed us. Before the game started the team, wa

Sam lives in the city of Springdale and is interested in how the climate in his city compares to the climate in Ecuador. Which of the following is a testable qu

describe the process by which wind causes erosion

Which sentence uses its object pronoun correctly? A. The happy dog licked I. B. The mailman delivered us a letter addressed to our neighbors. C. Our cousin boug

Today, the United Nations consists of how many members?

Which sentence is punctuated correctly? She is a beautiful, creative, humble woman. She, is a beautiful, creative, humble woman She, is a beautiful creative hum

Unlike endocrine glands, exocrine glands... A. Release secretions outside of the body B. Release hormones C. Do not usually have ducts

Which theory explains cells and living organisms? a. science theory b. organism theory c. cell theory d. world theory

Compare and contrast about world war 1 and spanish american war