Cklug53411 Cklug53411
  • 04-02-2022
  • Mathematics
contestada

Cos^ -1 (-x)=-Cos^ -1 xfor-1<= x<=1 true or false

Respuesta :

LammettHash
LammettHash LammettHash
  • 04-02-2022

It's false. Take x = -1, then

cos⁻¹(-(-1)) = cos⁻¹(1) = 0

but

-cos⁻¹(-1) = -π

Answer Link

Otras preguntas

Woodrow Wilson believed that nations should be able to govern themselves. Which of the following Fourteen Points best reflects this belief? (Points : 2) I. "Ope
2/3 of what number is 16?
Can anyone help me with this
What happens to a white light passes through a prism?
Which of the following Fourteen Points best reflects Woodrow Wilson’s belief that nations should be able to govern themselves? (Points : 2) “Nationalities which
what multiplies to -140 and adds to -31
2(3x-1) polynomial operations
What happens to a white light passes through a prism?
How did World War II change the United States’ position in world affairs?
If 3t − 7 = 5t , then 6t = how do you solve this