selenarose56751 selenarose56751
  • 04-01-2018
  • Mathematics
contestada

How to find cot of 60 given sin and tan of 30?

Respuesta :

Аноним Аноним
  • 04-01-2018
use tan 2x  = 2tan x / (1 - tan^2x)

so tan 60  =  2 tan 30 / 1 - tan^2 30 =   1.7321

cot 60  = 1 / 1.7321 = 0.5774   Answer
Answer Link

Otras preguntas

what is 2-(7/8-3/4)
find the value of x thank you in advance for your help! ​
Only do question 8 50 points Topic: Percentage
Which of these was true about North American colonies held by Britain and France before the French and Indian War? A. British colonists had been fighting a rebe
¿Cuánta energía consumirá una lavadora de 1200W de potencia, si se deja conectada durante 20 horas? ¿Cuánto deberemos pagar si el coste de la energía consumida
25% of what number is 225?
MATH will give brainliest
The First Great Awakening in the American colonies a.featured traveling preachers who gave fiery sermons. b.led to the formation of exclusive social groups in c
Solve for h. h–2–17≤–1
13.12 / .10 equals what please help me