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 ( 26+ )
Otras preguntas
what happens at a hot spot?
ALGEBRA! NEED HELP! A rectangular prism has a length of 8 inches and a width of 7 inches. The lateral area is 150 square inches. What is the height of the pris
Which one of the following reactions occurs in the cristae of the mitochondria? A. The citric acid cycle B. The electron transport chain C. The prep reaction
ellen is playing a video game in which she captures butterflies.there are 3 butterflies on screen, but the number of butterflies doubles every minute.after 4 mi
Harry needs £400 to buy a new computer. He has saved £160 so far. What percentage has Harry saved
Solve for X 3ax/5 - 4c = ax/5
Senator Jon Tester of Montana was reelected in 2012. If he decides to run again when his current term expires, in what year will the election occur?
Benjamin is making bow ties . How many 1/2 yard-long bow ties can he make if he has 18 feet of fabric!
why is a conductor important in science terms
Is the sentence a simple or a compound sentence The hat was dark green and had a wide brim A simple B Compound
