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

How to I find the perimeter of rhombus
What changes occurred in Japan in the 1920's?
If there are no apples on the bush and one skis off onto the earth how many fruits are left to be drinken by the humans?
what happens during vaporization and evaporation?
why did the Federalist Party lose support after the war of 1812
Solve by Elimination.x + 2y = 73x - 2y = -3
the decimal of 10 3/4
Sara cut off 1/8 of a 48-inch piece of ribbon. Jane cut off 1/9 of a 36-inch piece of ribbon. They compared their cut pieces. Whose piece is longer? How much lo
What is the moral of the story "By the Waters of Babylon"?
What are two differences between a rhizoid and a rhizome?