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 Coast Guard ship patrols an area of 125 square miles. The area the ship patrols is a square. About how long is each side of the square? Round your answer to t

a trapezoid has an area of 20cm squared and a height of 5 cm. what is the sum of its top and bottom sides

Two number cubes are rolled --one blue and one yellow. Find the probability that the blue cube is less than 3 and the product is 8.

Cory's average score after 8 tests is 91%. If he gets a 78% on his 9th test what will his new average be? How do i figure out this problem?

Which word in the sentence is the appositive? My older sister Maria is learning how to drive a car. A. sister B. learning C. Maria D. car

What is party-as-organization?

The area of a square field is 200 square feet. What is the approximate length of each side of the field? Round your answer to the nearest foot.

Select the product of (7x - 2)(7x + 7).

There are 6 pencils in a box. 3 of the pencils are red, 2 are blue and 1 is green. A pencil is taken out of the box without looking. What is the probability tha

Canada has a population that is about 1/10 as large as the United States. If Canada's population is about 32,000,000, about how many people live in the United S