Register
Which value is the solution for the equation cotx/2=-1? A. 3pi/2 B. 3pi/4 C. 5pi/4 D. 7pi/4
56.6k views
1 vote
Which value is the solution for the equation cotx/2=-1?

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

User Greenafrican
by
8.2k points

2 Answers

4 votes

Answer:

3pi

Explanation:

on a pex

User Shakirov Ramil
by
7.7k points
5 votes
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.
User Samuel EUSTACHI
by
8.1k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Mr. Jacob is 55 years old and tony is 7 years old. in how many years will mr. Jacobs be 4 times as old as Tony
Link Copied!