Lierylee22 Lierylee22
  • 22-11-2020
  • Mathematics
contestada

Find the EXACT value of sec (-120 degrees)

Respuesta :

ursul ursul
  • 22-11-2020
Sec is 1/cos so sec -120 is 1/cos -120 which is -2
Answer Link
gufeliz1965
gufeliz1965 gufeliz1965
  • 22-11-2020

Well sec(-120) = 1/cos(-120).

We know that cos(-120) = -1/2.

So, 1/(-1/2) = -2.

This means that sec(-120) = -2.

Answer Link

Otras preguntas

Which fraction is equivalent to 38%
The experimental percentage of oxygen in Ca(ClO3)2
las madres les un cuento to a sus hijos anoche
which of the following is cleaned and sanitized once a day? Buttons Small equipment Storage shelves Utensils ( this is for cooking class )
ILL MARK YOU AS BRAINLIEST The Congress, whenever two thirds of both Houses shall deem it necessary, shall propose Amendments to this Constitution, or, on the A
O is between N and W' NO = 4x +9, NW = x2 + 12, and OW = 6x + 3. Find No
_____ are items such as utilities, rent, and food—items that one can’t do without. Needs
Can someone please answer 8|x+2|-6=5|x+2|+3
Which of the following countries is located in both Europe and Asia?
Use the following diagram to answer this question. In the diagram of the earth's interior, which part drives movements of the plates?ABCD​