smacias47
smacias47
22-03-2017
Mathematics
contestada
Prove the identity. sin(−θ) cot(−θ) = cos θ
Respuesta :
ghanami
ghanami
22-03-2017
Hello :
sin(−θ) = - sin(θ)
cot(−θ) = - cot(θ)
cot(θ) = cos(θ)/sin(θ)
sin(−θ) cot(θ) = (- sin(θ))×(-cos(θ)/sin(θ)) = cos(
θ)
Answer Link
VER TODAS LAS RESPUESTAS ( 71+ )
Otras preguntas
1. Explain in terms of particle collisions and Dalton’s law why it can be assumed that the total pressure inside the gas collection tube is equal to the atmosph
if four lamps cost $120.00 what is the average cost per lamp?20.0025.0030.0035.0040.00
Finding the area of polar coordinates: One petal of r = cos 5 theta. I know how to compute the area, I just need to check if I've got the correct limits. I got
Why do Americans hold unrealistically high expectations of government and its ability to institute reform?
A large family holds a potluck dinner. each person attending bring either 1 dish or 2 dishes. In total, 14 people come to the dinner, and there are 23 dishes. H
What is an appropriate response to ¿Cuál es tu número de teléfono? veinte-veinticinco cero-cero-cero dos-cero-cuatro-cinco-seis-seis-uno-tres-uno-dos veinte y
Differentiate the function y = 2x*log[10](sqrt(x))
Help me with this math problem. Please.
Which of these phrases best describes the author’s voice?
You have a 5-question multiple-choice test. Each question has four choices. You don’t know any of the answers. What is the experimental probability that you wil
