1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Naya [18.7K]
3 years ago
5

Find an identity for cos(4t) in terms of cos(t)

Mathematics
2 answers:
Ilya [14]3 years ago
4 0
Hello here is a solution :

aleksley [76]3 years ago
3 0
\cos4t=\cos2(2t)=2\cos^22t-1
You might be interested in
Order these from Least to greatest <br><br> 5/12 <br> 8/9<br> 0.32<br> 1/2
Eduardwww [97]
1. 0.32
2. 5/12
3. 1/2
4. 8/9

hope this helps :)
brainliest?
6 0
3 years ago
Read 2 more answers
Completely factor the polynomial. 12x2 + 2x - 4
Vesna [10]
Happy holidays!!!!;)

3 0
3 years ago
Complete the reasons for the proof (please help this makes no sense and i just need to finish this assignment)​
wariber [46]
I hated doing that stuff, it was a pain for me
6 0
3 years ago
Can you conclude that this parallelogram is a rectangle? Explain.
maxonik [38]

I think it yes the diagonals are congruent but I can’t really tell

5 0
3 years ago
Read 2 more answers
What kind of sequence has a common ratio
Makovka662 [10]

Answer:

geometric sequence

Step-by-step explanation:

A geometric sequence is a sequence of numbers that is ordered with a specific pattern. Each successive number is the product of the previous number and a constant. The constant is the same for every term in the sequence and is called the common ratio.

6 0
3 years ago
Other questions:
  • PLEASE HELP ME I AM ON A TEST . WILL MARK BRAINLIEST
    12·1 answer
  • In ∆ABC, m∠A = 60º, m∠C = 30º, and AB = 6 inches. What is the length of side BC?
    15·1 answer
  • The product of -3/8 and 2 2/3
    10·1 answer
  • Which triangle is congruent to triangle PQR
    6·1 answer
  • A contractor is setting up new accounts for the local cable company. She earns $75 for each customer account she sets up. Which
    13·2 answers
  • Please help me and I’ll give you brainiest make sure to explain :)
    5·1 answer
  • Jody has already hiked 4 kilometers
    15·2 answers
  • Below is the table of values of a function.
    11·1 answer
  • Find the y-intercept of y=-5x-7
    5·2 answers
  • Brent was writing a paper. He typed
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!