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 ( 86+ )
Otras preguntas
what is structure of the atom and charge of relative mass
Amina mixed the following substances in two different glasses P and Q of the same size. P - 1 tablespoon of powdered sugar + 1 glass of water Q - 1 tablespoon
Why sugar is an organic compound
A project team notes that the rehabilitation of an outdated water treatment facility will require at least 100 full-time employees for the year-long constructio
PLEASE HELP FRENCH (no spam answers please) To help you in your French class this year, you decided to get a French penpal to help you learn our new words! In F
Find the equation of straight line passing through the point of intersection of the lines 3x y-6 and x-y=2 and point (-1,3
Pls answer 20 pt reward!!!!
What is 840 divided by 11???
no of the building with take velocity of 15mls at an angle of 66° to the horizontal. Find 0 g all ing 2-b) A stone is projected horizontally from the top of the
***Urgent*** Find the equation of the tangent line to the graph of y = 3^(x − 2) at x = 1. Give your answer in slope-intercept form. Show all your work.
