odeejaber35 odeejaber35

24-03-2022
Mathematics

contestada

Please Help! I will give brainlest! It locks soon!

Please Help I will give brainlest It locks soon class=

Respuesta :

zsm2800 zsm2800

30-03-2022

Answer:

Step-by-step explanation:

2cos²θ - 1 - cosθ = 0

(2cosθ + 1)(cosθ - 1) = 0

cosθ = -1/2, θ = 2π/3, 4π/3

cosθ = 1, θ = 0

so answer is 3rd choice

Answer Link

Otras preguntas

need help with problem can you help 5x+3y=22 y=2x

Why would you find nomadic herders in the northern and western region's of Mongolia and china? A. climate is wet and grasslands are abundant B . climate is drie

how many 1/3s are in 1 whole

a missing fraction on a number line is located exactly halfway between 3/6 and 5/6 . What is the missing fraction?

Explain how the expanded notation method is used to multiply 82×3

what is equivalent to 1/3 a.2/7, 3/8, 4/5 b. 2/6, 3/9, 4/12 c.5/8, 3/4, 4/6 d. 3/5, 4/6, 2/8

why do you need blood? & what organ pushes blood through your body?

$25;300%increse percent change

TRUE or FALSE??A lower GDP per capita is a sign that a country is more developed.

there are a total of 127 cars and trucks on a lot. If there are four more than twice the number of trucks than cars , how many cars and trucks are on the lot ?