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

help plz look at screenshot
Which statement BEST explains seared in the flames of withering injustice as it is used in the second paragraph?A) Injustice began fading away for slaves.
13/7x^2+11x/8(x+3). The question asks to “rewrite with a common denominator and I’m not sure how
What is the distance between points G(−2,7) and H(1,4) on a coordinate plane? Help!!
$160/5 or $315/9 which is the better deal
PLZ HELP ASAP FOR BRAINLIEST!!!!!
Please select the word from the list that best fits the definition Rate
Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 40 ft to 48ft
Which of the following characteristics of the Arctic rabbit is specifically an adaptation to living in the tundra? A. small size B. keen eyesight C. strong l
A mountain rises from 380 m to 590 m over a horizontal distance of 3,000 m. What is its percent slope?