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

what is 1×5÷6×0 (it's easy if you see it)

Which of the following is NOT one of the resources available to the poor, according to ScroogeA) PrisonB) DeathC) the TreadmillD) the WorkhouseE) Private charit

What is the solution to this system of linear equations?7x - 2y = -68x + y = 3A.(-6,3)B.(0,3)C.(1,-5)D.(15,-1)

Observe the expression below and select the true statement(s). 3y(7 + 2x) + 9xy - 10

Please answer this question, will give brainliest!

PLS HELP SQDANCEFAN!!!!!!! Given: circle k(O), the measure of arcs PL=80°, PY=150° Find: m∠YPL Thx :)))

a 12ft ladder leans against the wall . its base us 4.5 feet from the wall. What us the angle formed by the ladder and the ground ? pls show work!

One of the main ways that families promote social health is by

Here’s a graph of a linear function. Write the equation that describes that function ??

What might be some concerns of president eisenhower about the satellite?