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 ( 71+ )
Otras preguntas
You have been asked to lead a demonstration for the undergraduate microbiology lab course about the uses of negative staining when studying bacteria. A "negativ
John checked his watch and said that it is Thursday, 7 am. What will the day and time be 2006 hours later??? Plzzz I will give you 100 points
A driveway is 40 yards long about how many meters long is it
15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.
You are at a restaurant and owe $56.20 for your meal. You want to leave an 18% tip. Approximately how much is your tip?
Complex Numbers Multiply √-4 * √-25 And show all intermediate steps. Alternative notation is sqrt(-4) * sqrt(-25).
Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? Question 7 options: The heat from the hot water is
Find the slope of the line passing through a pair of points
Solve for x and y: 217x + 131y = 913; 131x + 217y = 827
Read this excerpt from “Hmong Tops.” The boys walked side by side across the deep cracks in the uneven pavement. Gray apartment buildings bordered the neighborh
