SavannahThomas87 SavannahThomas87

10-06-2017
Mathematics

contestada

[cos^-1(4/2)-3.14/2]

Respuesta :

10-06-2017

cos^-1(4/2)=cos^-1(2)-pi/2
The inverse cosine function has a domain of [-1,1], and -2 is outside of that range, so there is no solution
Unless you meant cos^-1, as in 1/cos or sec, in which case cos(1/2)-pi/2
This would be pi/3-pi/2=-pi/6

Answer Link

Otras preguntas

Write the decimal as a fraction or mixed number in simplest form: 5.32

Why was reaching a compromise so important?

Which of the following represents the belief used to justify westward expansion of Americas borders in the 1800s ? A.Monroe doctrine B.manifest Destiny C.Adams

Determine which relation is a function. A. {(–3, 3), (–2, 3), (–1, 1), (0, 4), (0, 1)} B. {(–3, 2), (–1, 3), (–1, 2), (0, 4), (1, 1)} C. {(–3, 2), (–2, 3),

29) Which feature do prokaryotic and eukaryotic cells share?

what moves the chromatids during mitosis?

Many plants have a waxy cuticle to prevent them from losing water. This is made of A. lipids. B. nucleic acids. C. carbohydrates. D. protein.

Sal had a board 5/6 yard in length.He cut off 1/3 yard,and then cut what remained into pieces each 1/6 yard long.How many pieces were there. A 2. B 3. C 4. D 6

SURDS Please could you provide the answers for the following. Please could you number each one an

Which describes the role of decomposers in the carbon cycle? a. They prevent carbon from escaping into the atmosphere. b. They absorb carbon from carbon dioxid