Cklug53411 Cklug53411

04-02-2022
Mathematics

contestada

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

Respuesta :

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

A lecture hall seats 220 people. If 99 people are in the lecture hall, what percentage of the seats are filled?

where are convergent volcanoes found

Find the average rate of change of f ( x ) = -2x^2 + 4x + 2 as X varies from 1.2 to 3.8

Ella has 50stacks of ten pennies how many pennies ella has in all?

you have already saved $55. you earn $9 per hour at your job. you are saving for a bicycle that cists $199. what inequality represents the possible numbers of h

I’m comparison with a steep slope, a gentle slope

complete the sentence below with the form of poder that is spelled correctly tu ir la fiestapoder podes pudesorpuedes

How many pairs of whole numbers have a sum of 40

What does emulsion mean?

Can u plz help me with both?