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 ( 99+ )
Otras preguntas
is -n always sometime or never a positive number ?explain
What is 3.82 rounded to the nearest whole number?
Can some one help me ? ???
a=(vf-vi)/t solve for tsolve for vi solve for vf
What motivated Europeans to begin looking to distant lands?
91,007,500 in scientific notation with positive powers of 10
Identify the type of sentence.I caught a cold after I spent a week visiting my grandchildren.simple sentencecompound sentencecomplex sentence
How do you compare distances in words? ex: jack travels 2.45 miles to school. Wanda travels 2.31 miles to school. Compare the distance using words.
6x+5y=-15 into intercept form
what is the place underground where plates start to slip called.
