Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. algebra
  3. by using de moivre's theorem, prove thatcos5? = 16

By using de Moivre's Theorem, prove thatcos5? = 16 cos?? - 20cos? + 5...

80.2K

Verified Solution

Question

Algebra

image

By using de Moivre's Theorem, prove thatcos5? = 16 cos?? - 20cos? + 5 cos?Hence find all the roots of the equation48x? - 60x + 15x + 2 = 0.

Answer & Explanation Solved by verified expert
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Biology
1.2K views

What is the advantage of using double negative 3 cells (DN3) cells to analyse gene expression...

Physics
1.2K views

Second stage of fusion: Medium/high mass stars: 1. What will happen when the first fuel runs out?...

Physics
1.2K views

Two identical loudspeakers are placed on a line at distance 4 m and 6m from...

Physics
1.2K views

A man can swim with a speed of 3m s in still water and river...

Physics
1.2K views

Potential energy sinusoidal curve is shown graphically for a particle The potential energy does not...

Algebra
1.2K views

Let 712 1 1 7 2 1 1 Need Help Hide Transcribed Text and T...

Accounting
1.2K views

Benoit Company produces three products, A, B, and C. Data concerning the three...

Accounting
1.2K views

Q1: Prepare Quarterly general, administration, selling budget, for Q1, Q2, Q3, and Q4 ending December...

Accounting
1.2K views

Saved Help Save & Exit Submit The following transactions were completed by the company: ...

Accounting
1.2K views

= Homework: Chapter 17-1 Question 7, T117-2 (simil... Part 1 of 5 HW Score: 77.86%,...

Finance
1.2K views

Buckeye Industries has a bond issue with a face value of $1,000 that is coming...

Accounting
1.2K views

addendum C Newlyweds Jamie Lee and Ross have had several milestones in the past...