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 ( 88+ )
Otras preguntas
The phenomenon known as ___________________ means many workers are not able to retire because of the financial costs related to medical care.
Which factor contributed more to the fact that jimmy carter was a one-term president: the economy or foreign policy? how do you think historians should evaluate
What value of z* should be used to construct an 88% confidence interval of a population mean?
A nutritional drink was said to contain simple sugars and proteins. Describe how you could find out if these food substances were present in the drink
If only 0.500 mol of NO2(g) is placed in a 1.0 L container and the reaction is allowed to come to equilibrium, 0.186 mol of N2O4(g) is formed. Find the value of
The index of refraction of the core of a typical fiber optic is ncore = 1. 46; the cladding has nclad = 1. 4. calculate the critical angles for the total intern
Find the area of the sector formed by the 60 degree central angle.503π in2503π in2103π in2103π in2100π in2100π in2None of the Above
Suppose that we repeat the experiment, except that we place the sodium flame in a strong, localized electric field. The field changes the energy levels of the s
As a general rule of thumb, __________ of the total ownership costs of a system occur late in the life cycle, due to costs associated with operations and suppor
When nahco3 completely decomposes, it can follow this balanced chemical equation: 2nahco3 → na2co3 h2co3 determine the theoretical yields of each product using
