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

Why is exercise an important part of living aboard the international Space Station? Is exercise more important for health on the ISS than on Earth? Explain.

A person invests 4500 dollars in a bank. The bank pays 6.25% interest compounded semi-annually. To the nearest tenth of a year, how long must the person leave t

Help! Hurry! NO SPAM!!!! I will mark brainliest if you get it correct, and show your work. Identify the equation for the circle with center (3, 7) that contains

This is about dealing with abuse so if you not comfy about the subject please dont press it thank you plus i do kinda need help on the question.

What is (10)2 + (-6)2 ? Please do not find the square root yet. answer and i will give you a brain list

Help please! I dont understand, and im having a hard time in Science.

7^8 x 7^3 x 7^4 divided by 7^9 x 7^5 ASAP answer please and thankyou

WHat would these 3 be (pasive or active)

Help please! I dont understand, and im having a hard time in Science.

In the function f(x) = 5x + 2, from (0, 2) what is the direction of the next point? * a. 5 units up and 1 unit to the left b. 5 units to the left and 1 unit up