Desigurl
Desigurl
10-02-2019
Mathematics
contestada
PLEASE HELP!!!!!!!!!!!
Respuesta :
5naka
5naka
11-02-2019
by using identity sin²θ=1 - cos²θ
3sin²θ = 4cosθ - 1
3(1 - cos²θ) = 4cosθ - 1
3 - 3cos²θ = 4cosθ - 1
3cos²θ + 4cosθ - 4 = 0
(3cosθ - 2)(cosθ + 2) = 0
cosθ = ⅔
θ = 48.19° or θ = 311.81°
Answer Link
VER TODAS LAS RESPUESTAS ( 29+ )
Otras preguntas
Sourcing: Who wrote this secondary source and when was it written
can someone help I don't know how to answer this?!?!
how to make the color pink?
PROBLEM SOLVING Would you solve the equation 0.25x + 7 = 1/3x − 8using fractions or decimals? Explain.
based on this flashback , how does stanley feel about what happend in the past ?
Can somebody plz read the information and answer just number 1-2 it’s kinda easy for some of y’all lol (WILL MARK AS TOP BRAINLIEST) if correct) :D
How did migration lead to the population if the world?
Are cells living or non living
Answer all ten questions for tons of points. Please don’t take forever
4х – 9у – 2 = 0 12х - 5у + 38 = 0 answer in x and y intercept
