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 type of reaction occurs when you strike a match?
how does  a star form?
In the top row of an chessboard, Tom writes the values 1, 2, 4, 8, 16, 32, 64, 128. In the leftmost column, Tom writes the values 1, 3, 9, 27, 81, 243, 729, 2
The tropical climate zone is in which two states?
what was the first industry to be regulated by the united states goverment?                                               a. oil   b.meat packing  c. steel  D.
If y=2 when x=3. What is the value of y when x=9?
if i got 68 correct on my math test and the total is 85 what is the score?
Which sentence correctly forms the plural of the letter c?   A.How many c's are in accordion?   B.How many cs'
Scientists divide rocks into groups based on_________
The function f(t) = −5t 2 + 20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit