darinsimon darinsimon
  • 23-07-2020
  • Mathematics
contestada

Which of the following has a positive value? sec (2pi/3) tan (2pi/3) cos (2pi/3) csc (2pi/3)

Respuesta :

tramserran
tramserran tramserran
  • 23-07-2020

Answer:  D) csc (2π/3)

Step-by-step explanation:

2π/3 is in Quadrant II

Quadrant II has a negative x-value and a positive y-value.

x-values are: cos & sec

y-values are: sin & csc

tan = y/x so will be negative in Quadrant II

A) sec = -

B) tan = -

C) cos = -

D) csc = +     this works!

Answer Link

Otras preguntas

3 less than the quotient of 20 and x
Identify the factors of 13m-2n
Find the exact solution to the equation. Show your work. 4^(12-4x) = 256 (I know the answer is 2, the thing I don't know how to do correctly is showing my wor
Which is true about phrases? A- they can stand alone because they have subjects and verbs B- they can't be connected to other phrases C- they can't stand alone
How many electrons make up a charge of 3.5kC?
lessons learned from "the great fire" book story by Jim Murphy
The Nutrition Facts label on a food package lists the following: iron 50%. What does this figure indicate?
what is 312% of 10.5 ?
Why is it important to convert rates to the same units before comparing them
2/3×2log64-1/2×2log16