cherishxo
cherishxo cherishxo
  • 21-08-2021
  • Mathematics
contestada

Express cos9x cos3x as a sum of two trigonometry function ​

Relax

Respuesta :

chibunduoyibe
chibunduoyibe chibunduoyibe
  • 21-08-2021

Step-by-step explanation:

the answer is in the image above

Ver imagen chibunduoyibe
Answer Link

Otras preguntas

Select the reason that best supports Statement 6 in the given proof.
If the circumference of a circle is 88 cm, find its area. Ans:616 cm²​
(b) (i) Factorise 1000x³-y³ completely. (ii) Hence, without using a calculator, show that 124 is a factor of 992.
Scenario: 1. You, as a requirements engineer are given the task of preparing requirements documentation for an “IoT solution to monitor water levels in a tank”
Do not always believe brainly!
You are a student who has a part-time job in a big supermarket. Write an email to reply to your classmates’ enquiry about your experience (150 words). (Write a
[tex](4x + 8) = ...........(x + ............)[/tex]Some one help me please ​
wht is your name just want to make friends
Solve the equation I will leave a five star in a heart
This question has two parts. First, answer Part A. Then, answer Part B. Part A How does the author use a problem and solution text structure in paragraph 2? The