irlalanis7 irlalanis7
  • 02-05-2018
  • Mathematics
contestada

HELP!! been at this for an hour :(

solve (cos Θ − cos Θ)2 + (cos Θ + cos Θ)2

a. sin2 Θ
b. 4cos2 Θ
c. 8
d. cos2 Θ

Respuesta :

Аноним Аноним
  • 02-05-2018
Ill write x instead of the  symbol in the question

The first part of the expression = 0   so we have:-

0 + (2 cos x)^2
= 4 cos^2 x

Its  b
Answer Link

Otras preguntas

standard form: 10X - 7y = -8 slope-intercept form: ___________________
How does genetics play in the development of bipolar 2 disorders?.
Which of these methods helps to identify the tone? a. emphasize important words c. both of these b. over-exaggerate d. neither of these
The table below shows that the number of miles driven by Jayden is directly proportional to the number of gallons he used. Gallons Used Miles Driven 35 1179.5 4
Is community possible without democracy?
What is the purpose of a pamphlet to inform and persuade the reader
hey can someone help me
"Sure, the tennis coach thinks I am great now," Cody tells himself. "But when he gets to know me better, he will see that I do not have what it takes." Cody's s
What is reciprocal teaching?
what is one way we can stay safe during the pandemic?