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

A billiard ball (ball #1) moving at 5.00 m/s strikes a stationary ball (ball #2) of the same mass. after the collision, ball #1 moves at a speed of 4.35 m/s. fi
An example of irony in the Devil and Tom Walker
What is the least common multiple of $441$ and $1008$?
Instructions.find the volume and surface area of the rectangular prisms
The economic slow-down of the 1970s resulted in part from the nations heavy dependence on
Ten more than seven times a number is 35 what is the algebraic equation
What were the dangers of traveling bt stagecoach?
What are two important reasons that Julius Caesar was assassinated on March 15, 44 BCE? A) he taxed the public and outlawed slavery B) he created jealousy amon
help me with this please
Can someone help with this math question please