maggkaressie3t maggkaressie3t

11-11-2016
Mathematics

contestada

Which value is the solution for the equation cotx/2=-1?

A. 3pi/2
B. 3pi/4
C. 5pi/4
D. 7pi/4

Respuesta :

nobillionaireNobley nobillionaireNobley

18-11-2016

cot x/2 = -1
1/tan x/2 = -1
tan x/2 = -1
x/2 = arctan(-1) = 3pi/4
x = 2(3pi/4) = 3pi/2
x = 3pi/2

option a is the correct answer.

Answer Link

audreyeg2000 audreyeg2000

11-05-2020

Answer:

3pi

Step-by-step explanation:

on a pex

Answer Link

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