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
Which of the following is (are) true regarding the RDA? A. The acronym stands for recommended dietary allowance. B. There are often different values for men a
Liam has 4 books. The number of pages in the first book is 420, and the second book has 70 pages more than the third book. The third and fourth book have 150 pa
Como se dice la palabra socio en Uruguay
Question 7 of 10 2 Points Why was the Mongols' sheep-based economy unstable? A. Droughts and long winters sometimes ravaged the herds. ОО B. Other nations would
In some research, the researchers are not able to use random assignment to divide participants among groups. Instead, they compare preexisting groups. What type
A researcher is examining the quality of life for prisoners who are HIV-positive using surveys followed by interview. The IRB must ensure that:
Plasma from a sick mouse is filtered across a membrane that has a 200 nm pore size. If the filtrate is still infectious when injected into a healthy mouse, then
if 8 girls brought a lunch box and 6 boys didnt what is the probability of a student bringing one.
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Sleeping and Energy D
A blue line, called a ____ line, that appears when you are dragging a GUI object on a Windows Form object indicates that the object being dragged is horizontall
