offangel
offangel offangel
  • 23-03-2021
  • Mathematics
contestada

6sin^2theta = 7- 5costheta


please include all steps thank you ~ will give branliest !!​

6sin2theta 7 5costhetaplease include all steps thank you will give branliest class=

Respuesta :

itzkittengurl
itzkittengurl itzkittengurl
  • 23-03-2021

Answer:

6sin^2(x) = 7 - 5cos(x)

6(1 - cos^2(x)) = 7 - 5cos(x)

6 - 6cos^2(x) = 7 - 5cos(x)

6cos^2(x) + 5cos(x) -1 = 0

(6cos(x) - 1)(cos(x) + 1) = 0

cos(x) = 1/6

x = arccos(1/6)

x = 1.40334825 + 2k*pi, 4.87983706 + 2k*pi

cos(x) = -1

x = pi + 2k*pi

Answer Link

Otras preguntas

When a female's egg uses a chemical attractant, the sperm do which of the following?
to what extent did the rise of the guilds impact urbanization?
In 1873 former california govener leland stanford employed which photographer to help win his bet about running horses?
How did the Irish famine accrue
Which BEST describes the way the Catholic Church was negatively affected by the bubonic plague?
Central to traditional african theatre's "storytelling performances" is
Which nation did the Soviet Union invade in the late 1970s? A. Afghanistan B. Iraq C. Iran D. Pakistan
Which of these ordered pairs is a solution to the linear inequality 3y - 2x > 8?
What is the volume of the pyramid? https://static.k12.com/eli/bb/1458/3_84696/2_59509_5_84702/7a4a0ad2c3db47a5bb13d74edb27ae71bb21609c/media/8ee1c253d3ddab3c
What hazard is associated with ionizing radiation? It causes radiation sickness as a result of any exposure. It undergoes radioactive decay, which can damage D