kallale464
kallale464 kallale464
  • 02-04-2020
  • Mathematics
contestada

Solve, finding all the solutions in [O, 2pi).
cot(x) cos(x) + cot(x) = 0

Respuesta :

MathPhys
MathPhys MathPhys
  • 02-04-2020

Step-by-step explanation:

cot(x) cos(x) + cot(x) = 0

cot(x) (cos(x) + 1) = 0

cot(x) = 0 or cos(x) = -1

cot(x) = 0

x = π/2, 3π/2

x ≠ 0, π

cos(x) = -1

x = π

Therefore, the answer is x = π/2, 3π/2.

Answer Link

Otras preguntas

Which part of the Constitution establishes the legislative branch of the government? A. Article I B. Amendment I C. Article II D. The Bill of Rights
DeLissa wants to dress and act like Marisol, who is a very popular and attractive girl at school. What type of peer pressure is DeLissa reacting to?
How do you Graph 0=x+1/4y+1/2
classify wine and beef stew as homogeneous or heterogeneous.
One month, Jon worked 3 hours less than Chaya, and Amgelica worked 4 hours more than Chaya. Together they worked 196 hours. Find the number of hours each person
Subtract. –84 – 55 a. –29 b. –139 c. 29 d. 139
Is 2/15 a repeating decimal or a terminating decimal?
Which number is 164,502,423 decreased by 100,000?
What equals 168 in multiplication
What produces the largest amount of federal revenue in the United States? A. individual income tax B. corporation income tax C. estate taxes D. excise taxes