15-04-2021
Mathematics

contestada

If cosx=-3/7, find the value for cos4x

Respuesta :

lishawn81 lishawn81

15-04-2021

Answer:

cos ( 4 x ) = - 479 / 2401

Step-by-step explanation:

:D

Answer Link

Otras preguntas

Regional laboratory products has salesmen that travel to medical laboratories to sell lab supplies. when the salesmen makes a sale, they are required to upload

If 2a+ 2/a =4, what is the value of 2a^2+ 2/a^2 ?

The center of a tornado is characterized by its _____. sinking air low pressure very high pressure eye wall

help me with english please....

A rectangular exercise mat has a perimeter of 36 feet. The length of the mat is twice the width. Write and solve an equation to determine the length, in feet, o

Sadie is a 37-year-old teacher in her 20th week of pregnancy. She is 68 inches tall and weighs 195 pounds. Her pre-pregnancy weight was 180 pounds. During her f

What started World War 2

How does f(x) = 9^x change over the interval from x = 4 to x = 5? A) f(x) increases by 9 B) f(x) decreases by 9 C) f(x) increases by a factor of 9 D) f(x

Which statement best describes popular sovereignty A goverment created by and subject to the will of the people B a state has the authoryty to govern itself o

Which of the following policies would lead to great productivity in the fishing industry? Check all that appl