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 ( 55+ )
Otras preguntas
Prime factor 78 in latter form
sorry I don't know please help with my math
Why did many schools remain segregated
The fur of a snowshoe rabbit changes to white during the winter. This change is an example _____. adaptation competition metabolism
During the winter, the United States is MOST likely to import crops from which of the following countries? l.Chile ll.Mexico lll.Bangladesh lV.Spain A.
How many neutrons does element X have if its atomic number is 40 and its mass number is 160?
2. Which of the following crops was not grown in the Eastern Hemisphere prior to European conquest of Latin America? (1 point)
A researcher wants to find out if children who read mystery novels will display fear after the book is finished. Name the independent variable.
Fossils similar to marine life found in the oceans today have been found in rocks on top of mountains. How can this be explained? The rocks in which the fossils
1.Which statement about argumentative essays is true? A. Essays should present one strong reason for readers to agree with the claim. B. Ineffective support w
