euanmcsparran
euanmcsparran
04-03-2021
Mathematics
contestada
Prove it cotA - tanA = 2cot2A
Respuesta :
cn4685643
cn4685643
04-03-2021
Cora-tana=cosa/sina-sina/cosa
= (Cos^2a_sin^2a) / sina.cosa
= 2 cos2a/sina
= 2cot2a
Answer Link
VER TODAS LAS RESPUESTAS ( 77+ )
Otras preguntas
Which does not describe African participation in World War I? European Allied navies conscripted African fisherman for combat. Africans performed construction
According to marx and engels, establishing a society based on cooperation and equal distribution of wealth would require a. an energy crisis. b. the developme
what is the radius of a circle whose equation is x2 y2 8x – 6y 21 = 0?
Which of the relations given by the following sets of ordered pairs is not a function? Select one: a. {(5,2),(4,2),(3,2),(2,2),(1,2)}{(5,2),(4,2),(3,2),(2,2),(1
When do individuals typically begin to take on adult responsibilities? adolescence infancy puberty early childhood @Cas_fangirl_14
In your own words, briefly explain the following terms. a. infection.
karen needs to make a total of 70 deliveries this week. so far she has completed 28 of them. what percentage of her total deliveries has karen completed?
Information such as parking issues, choice of location, and specialized equipment should be included in the _______ portion of your business plan. a. overview
Which of the following New England colonies was the least successful as a trade center?
Josh prepares a solution by mixing sodium nitrate and water. To calculate the molarity of the solution, Josh should calculate the moles of which substance, and
