arctracereve6344 arctracereve6344

16-04-2024
Chemistry

contestada

Given that cosine alpha equals four fifths and 0 less than alpha less than startfraction pi over 2 endfraction , determine the exact value of cosine startfraction alpha over 2 endfraction .

Respuesta :

Otras preguntas

chronological timeline of risa from unwind

A resources unit may be activated without activating the planning section chief A) True B) False

Which phrase is an example of an appeal to shared values, or ethos, with the purpose of persuading the audience to believe Johnson’s credibility? Answer choice

write a blog on benefits of travelling

Identify skin classification, skin types, condition and characteristics

3. Let \( n \in \mathbb{N} \). Show that the product of all positive divisors of \( n \) is \( \prod_{d \mid n} d=n^{\tau(n) / 2} \). Determine the form of all

Which of the following equations have the solution of x = 3? Choose the THREE correct answers. A - 2x = 5 B - 3x = 1 C - 5x + 6 = 21 D - 7x - 2 = 19 E - 3x = 3

What is the product of a condensation reaction between an organic phosphoric acid and a carboxylic acid?A) EsterB) AmideC) AlcoholD) Ketone

Which of the following is not one of the key factors that have helped sustain life on earth for the past 3.8 billion years? a) Presence of liquid water b) Atmos

Several cell layers thick. These cells contain a weblike system of intermediate filaments, mainly tension-resisting bundles of pre-keratins filaments, which spa