aayusagurung aayusagurung
  • 21-08-2021
  • Mathematics
contestada

prove that : Cos 2A =cot^2-1/cot^2+1​

Respuesta :

ma5007482
ma5007482 ma5007482
  • 21-08-2021

Step-by-step explanation:

steps are in the picture.

Note:if you need to ask question about it i am ready to give you answer.

Ver imagen ma5007482
Answer Link

Otras preguntas

Let (-5,4) be a point on the terminal side of theta
Anyone know? ( pics below)
The ___________ system creates power in the hands of a single board
What is an equation of the line that is perpendicular to y= −3/4x +6 and passes through the point (3, 9) ?
During the republic, to whom did rome's poor citizens look for protection of their interests?
The primary goals of warfare in state societies are -national and international -territorial expansion and revenge -economic and political -governed by rules of
Two boats start their journey from the same point A and travel long directions AC and AD as shown below what is the distance CD between the boats . A-461.9ft B-
Neanderthal seems to be most prominent in which area of the world?
A solid gold cube with edge of 2" is melted down and recast as a cone with a 3" radius base. Find the height of the cone.
What tends to have stronger effects of detachment or aggression then alcohol does