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

help pls asap , i do not get it , I’ll name you the brainliest
At $1.47 per gallon of gas, what is the cost of 15 gallons? (A) $2.25 (B) $22.50 (C) $22.05 (D) $2,205 (E) $220.50
Help me, please this isn't really so hard, but I really need help
A marketing plan includes a number of factors, including the marketing mix What is the marketing mix? A. A plan for spending money B. The variables of product,
Giải bài toán qui hoạch tuyến tính: f(x) = 2x1 − 2x2 + x3 (Max) x1 + 2x2 ≤ 3 2x1 − 3x2 + x3 ≤ 2 x1, x2, x3 ≥ 0.
True or False, Intrusive rocks have large crystals?
tigers are being killed everywhere change in active voice​
HELP PLEASE 12 POINTS
What is the length of JK?
State four (4) Forms (abstracts) that the liberated prisoner confronts and the copy of each of those Forms (tangible, finite, concrete, identifiable by sensory