menu
Qammunity
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Find all solutions to the equation secx(2 cosx-sqrt 2)=0
asked
Nov 6, 2017
63.4k
views
4
votes
Find all solutions to the equation secx(2 cosx-sqrt 2)=0
Mathematics
high-school
Amit Battan
asked
by
Amit Battan
8.1k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
2
Answers
0
votes
Hello,
We suppose x≠+/-π/2.
2cos x - √2=0
==>cos x=√2/2
==>x= π/4 or x=3π/4 (modulo 2π)
AmitM
answered
Nov 8, 2017
by
AmitM
9.0k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
2
votes
We are given with the equation
secx(2 cosx-sqrt 2) = 0
Lars Skaug
answered
Nov 12, 2017
by
Lars Skaug
7.5k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Feb 26, 2024
97.1k
views
Practice Active Given (1)/(cotx)-(secx)/(cscx)=cosx, find a numerical value
Morteza Ziyaeimehr
asked
Feb 26, 2024
by
Morteza Ziyaeimehr
8.2k
points
Mathematics
college
1
answer
1
vote
97.1k
views
asked
Nov 2, 2024
42.5k
views
Which of the following correctly shows the derivation of d/dx(secx)? A. d/dx(secx) = secx * tanx B. d/dx(secx) = secx * cotx C. d/dx(secx) = secx * cosx D. d/dx(secx) = secx * cscx
Dezhik
asked
Nov 2, 2024
by
Dezhik
7.7k
points
Mathematics
high-school
1
answer
2
votes
42.5k
views
asked
Feb 11, 2024
224k
views
Which of the following would be an acceptable first step in simplifying the expression tanx/(1 + secx) A. tanx(1 - secx) / (1 + secx)(1 - secx) B. tanx + sinx C. tanx.cosx / cosx + secx D. None of the
Grantespo
asked
Feb 11, 2024
by
Grantespo
8.4k
points
Mathematics
high-school
1
answer
4
votes
224k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
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.
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity