bjbarrett23
bjbarrett23
04-05-2017
Mathematics
contestada
Help please trigonometric identities
Respuesta :
akaleti47
akaleti47
04-05-2017
cot=cos/sin
so, it becomes sin^2+cos^2=1
that proves it
Answer Link
bcalle
bcalle
04-05-2017
Sin^2x ( 1 + cot^2x) = 1
Change cot^2x to cos/sin
Sin^2x(1+cos^2x/sin^2x))=1
Distribute the sin^2x
Sin^2x + cos^2x = 1
1 = 1
Answer Link
VER TODAS LAS RESPUESTAS ( 81+ )
Otras preguntas
Which triangles must be similar to Triangle EGF? What is the length of GH? What is the length of EG?
isolation of a wd40-repeat gene regulating anthocyanin biosynthesis in storage roots of purple-fleshed sweet potato
What effect does the end rhyme in stanzas 1-4 have on the audience?
Which of the following is NOT true for both gravitational and electrical forces?A. The inverse square distance appliesB. Forces are proportional to physical pro
How where children seen in Medival Times
The term "bit" stands for binary digit.A. True B. False
Blood PCO2 may be measured by:A. direct colorimetric measurement of dissolved CO2B. a self-contained potentiometric electrodeC. measurement of CO2-saturated hem
What kind of triangle is this?
The network data model is similar to the hierarchical data model because records are organized in the same waytruefalse
To make it easier to describe elevation, surveyors referred to a standard elevation point called: a) Datum b) Cartogram c) Isobar d) Gradient