stupidn38 stupidn38
  • 18-10-2020
  • Mathematics
contestada

Find Sin x and Tan x if Cos x=2/3 and Cot x >0. Evaluate without using calculator.​

Respuesta :

hannjr hannjr
  • 18-10-2020

[tex]\sqrt5[/tex]Answer:

Sin^2 x + Cos^2 x = 1

Sin^2 x = 1 - 4 / 9 = 5 / 9

Sin x = [tex]\sqrt5[/tex]  / 3

Tan x = Sin x / Cos x = ([tex]\sqrt5[/tex]  / 3) /  (2 / 3) =  [tex]\sqrt5[/tex]  / 2

Answer Link

Otras preguntas

Find the product. (r + s)2
help me understand how to do this
whats ten hundredths in standard form
Write a story from the point of view of a young girl (Jing Choa) who is about to reach the age of marriage in early Chinese society. Tell about your family life
Some of the earliest evidence of people riding horses in warfare as mounted archers or spear-throwers are usually credited to which of the following empires?
which type of historical evidence is a newspaper article written immediately after the great Chicago fire?
Which of the following utopian communities was founded and established in New York State? A. Shaker Village B. New Harmony C. Spiritualist D. Oneida
What is the value of 1-18+25 if you subtract then add? If you add then subtract? Why is the order of operations necessary?
Which of the following best symbolizes the entire Cold War? Select one: a. Cuban Missile Crisis b. Divided Berlin c. Korean Conflict d. Vietnam Conflict
Which nation rejected the Treaty of Versailles, negotiating its own peace agreement with Germany in 1921?