In Cos A = 0.4 Find The Value Of Cos 3 A.

Thenku ☃️[tex] \: \: [/tex]

Question

10-02-2022
Mathematics

contestada

In Cos A = 0.4 Find The Value Of Cos 3 A.

Thenku ☃️[tex] \: \: [/tex]

Respuesta :

Otras preguntas

Which organ system is found in both animals and plants? a. immune system b. circulatory system c. digestive system d. skeletal system

What signs would you look for in order to tell if a particular medicine or treatment was a fake cure

_____ wrote The Iliad and The Odyssey.

John Marko buys a car $11,400.00. In three years the car depreciates 48% in value. How much is the car worth in three yoears?

what term refers to a system in which one branch of government is prevented from seizing too much power

Which of the following groups are the people who first settled the land on the bend of the Tiber River that was to become Rome? A. Etruscans B. Greeks C. Latins

The four main systems of the Earth are

how does hydrogen fuel cars work and their benifits

T Object]User: Which of the following is true? A. Some levels of tobacco use are safe. B. Some tobacco products do not cause cancer. C. All forms of tobacco a

blackshades blackshades · Answer 1 · 2022-02-10T18:21:30+01:00

blackshades blackshades

10-02-2022

Answer:
- 0.944

Step-by-step explanation:
We know that,
cos 3A = 4 cos³A - 3 cos A (formula)

So,
If cos A = 0.4,

cos 3A = 4 cos³A - 3 cos A
cos 3A = 4 × (0.4)³ - 3 × (0.4)
cos 3A = 4 × 0.064 - 1.2
cos 3A = - 0.944

Hope it helps ⚜

Answer Link

In Cos A = 0.4 Find The Value Of Cos 3 A.Thenku ☃️[tex] \: \: [/tex]​

Respuesta :

Otras preguntas

In Cos A = 0.4 Find The Value Of Cos 3 A.

Thenku ☃️[tex] \: \: [/tex]