Daeshabea
Daeshabea
11-05-2017
Mathematics
contestada
Verify if this is an identity
cot(-x) tanx=-1
Respuesta :
ghanami
ghanami
11-05-2017
hello :
cot(-x) tan(x)=-1......(*)
* cot(x) = 1/tan(x)
cot(-x) = -cot(x)= -(1/tan(x))
cot(-x) tan(x) = -(1/tan(x))×tan(x)=-1
Answer Link
VER TODAS LAS RESPUESTAS ( 28+ )
Otras preguntas
PLEASE HELP WILL GIVE BRAINLIEST TO CORRECT ANSWER When can primary succession occur? A.after a glacier forms, a volcano erupts, or when a strip mine is product
Seasoning over a deep fryer may cause the A. oil to ignite. B. temperature of the oil to drop. C. food to cook more slowly. D. breakdown of the oil.
a ____is a stance or attitude in favor of one side of an argument.
In football, a field goal is worth 3 points, and the extra point after a touchdown is worth 1 point. During the 2006 season, John Kasay, of the Carolina Panthe
Factors of production are grouped into four categories, which are _______. ______ is an example of ______.
How does Santa Anna try to frighten those he attacks?
Given the equation zn(s) + 2 hcl(aq) → zncl2(aq) + h2(g), what mass of hydrogen gas is produced when 2.8 g zn is reacted with excess aqueous hydrocholric acid?
Romeo and juliet what does capulet say he will do if juliet refuses to marry paris
What does the principle of emphasis draw attention to? a.) rhythm b.) focal point c.) asymmetry d.) harmony
A cran uses an average force of 5200N to lift a steel beam 25m. How much work does the crane do on the steal beam. Please help or explain how to do this an
