Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Ambition

  • 2 years ago

Find all solutions in the interval [0, 2π). 4 sin2 x - 4 sin x + 1 = 0

  • This Question is Closed
  1. Callisto
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Do you mean\[4 sin^2 x - 4 sin x + 1 = 0\]?

  2. Ambition
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes sorry

  3. Callisto
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Nope :) Treat sinx as a, you'll get 4a^2 - 4a +1 =0 Can you solve this equation?

  4. Ambition
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    not really

  5. Callisto
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Can you factorize the left side?

  6. Ambition
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    no

  7. Callisto
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Hint: use \(a^2 -2ab +b^2 = (a-b)^2\)

  8. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.