21-08-2019
Mathematics

contestada

Which of the following is equivalent to

2 cos²(x) - cos(2x) ?

a. sin(2x)
b. sin²(x)
c. 1
d. 2

Respuesta :

smayra1191 smayra1191

23-08-2019

Answer:

Option c ) 1

Step-by-step explanation:

[ Refer to the attachment ]

Sin²x + Cos²x = 1

Cos²x = 1 - Sin²x

Cos2x = 1 - 2Sin²x

Ver imagen smayra1191

Answer Link

Otras preguntas

Describe the purpose of leaves.

How are plate tectonics related to the earth's surface features

Mikayla is buying deli meat and cheese for sandwiches for a family reunion. How much will she spend on 4.5 pounds of ham and 3.5 pounds on cheese. ham $4.59

Find the L.C.D. of the following group of fractions and then express the fractions in terms of L.C.D. 1/2, 3/4, 3/8

what is 448 rounded to the nearest 10

Could a king in France order the peasant of a nobleman around

walt averages 98 miles per hour in 4 races. if each race is 95 miles in length how many miles did walt drive in the races?

dividing a decimal by a decimal 2.5÷4.75

What is 25/60 in simplest fron

What roles did women play during the battle at Valley Forge? a. provided baked goods to the army c. collected and delivered neccesities to the army b. spied on