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

Cristina quiere que yo ___________ la oficina mas temprano. A. cerremos B. cierre C. cierro
Consider a triangle with side lengths of 10 ft, 17.32 ft, and 20 ft. By examining the side lengths, what can you conclude about the measurement of the angles?
A 20-foot-tall lamp post cast a shadow that is 28 feet long. Standing next to the lamp post is a 6-foot tall man. About how long is the shadow of the man?
the histogram below represents the high temperatures recorded each day over a one month period.7 days=80-82 degrees Celsius, 9 days=82-84 degrees Celsius, 6 day
PLEASE HELP!!vvvvvvv
Mango fruits are oval and ... like an egg
Can someone please tell me if I am correct?
algebra help pleaseee
In the sterilization area, instruments should move from a/an _______ to a _______ area.
What is the vocabulary word for a section of dna that codes for a specific protein?