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

advantages of computational skill
Jonas has gone through a whirlwind of drama in the first nineteen chapters of this novel. If he were to have written a four-stanza poem about everything happeni
Which statement accurately describes the illusion of a hydrogen atom and an oxygen atom
*Write a linear equation that goes through the points (-2,6) and (1,1).
A 4-pack of plastic flower pots costs $4.08. What is the unit price?
Brianna made cookies. She used 5/8 of a cup of flour and 1/2 of a cup of sugar. How much more flour than sugar did Brianna use? Write your answer as a fraction
I really need help with this​
Which of the following is NOT equal to ? 3/4
the Marked price of a computer is rupees 30000 if it is sold after 20 percent discount and then 30% bat is levied on it find the price of the computer including
FIND THE AREA OF THE SHAPE BELOW PLEASE HELP I HAVE BEEN STUCK ON THIS FOREVERRRR!! THANK YOU