katiefromm1 katiefromm1
  • 19-06-2021
  • Mathematics
contestada

URGENT PLEASE HELP: 1 - 2 cos^2r = - sin^2r - 1

True
False

URGENT PLEASE HELP 1 2 cos2r sin2r 1 True False class=

Respuesta :

surjithayer10otahza surjithayer10otahza
  • 19-06-2021

Answer:

false

Step-by-step explanation:

1-2cos²r=1-2(1-sin²r)=1-2+2sin²r=2sin²r-1

Answer Link

Otras preguntas

Derek bought his truck for $30,000. The value has dropped by $900 each year. He determined that the value of his truck (V) can be modeled by: V = 30,000 - 900x
How many air conditioning units can Germany produce if it builds 6,00 railroad engines?
Sonya has a picture that is 5 inches tall and 12 inches wide. She would like to enlarge it to fit a space on her wall. If the space calls for the picture to be
Help pls!! What things do babies feel are important?
I need help on this question:(...pls do it correctly and i will give a rate 5:)
The perimeter of a square garden is (20k+36) feet. Write an expression
What evidence from this document helps prove Brazil is a wealthy country ?​
discuss the negative effect of conflict avoidance in dealing with conflict amongst family members​
Express the area of the rectangle in term of x
Give very short answers of the following questions:1. What is population?2. What is July 11th, 1987 AD famous for?3. What is census?4. Why was the population of