Login Register

My account
Edit my Profile
Private messages
My favorites

Determine cos 315degrees

Ask a Question
Questions
Unanswered
Tags
Ask a Question

Determine cos 315degrees

asked Sep 9, 2022 152k views

18 votes

Determine cos 315degrees

Mathematics
college

7.6k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

2 Answers

13 votes

It’s same as: cos45

You can always subtract or subtract FROM 360.

360-315=45

Exact value of cos45 is √2/2

LDomagala answered Sep 11, 2022

8.1k points

0 Comments

Please log in or register to add a comment.

7 votes

Answer:

Exact Form:

√ 2/ 2

Decimal Form:

0.70710678 …

Explanation:

Find the exact value using trigonometric identities.

Fender answered Sep 14, 2022

by Fender

7.9k points

0 Comments

Please log in or register to add a comment.

← Prev Question Next Question →

Related questions

asked Mar 26, 2017 139k views

Convert the complex number 3 - 3i into its polar representation. a. 3(cos(60degrees) + isin(60degrees)) b. 3√2(cos(135degrees) + isin(135degrees)) c. √3(cos(225degrees) + isin(225degrees)) d. 3√(cos(315degrees)

James Douglas asked Mar 26, 2017

by James Douglas

8.4k points

Mathematics
high-school

2 answers

3 votes

139k views

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

9.4m questions

12.2m answers

Categories

All categories
Mathematics (3.7m)
History (955k)
English (903k)
Biology (716k)
Chemistry (440k)
Physics (405k)
Social Studies (564k)
Advanced Placement (27.5k)
SAT (19.1k)
Geography (146k)
Health (283k)
Arts (107k)
Business (468k)
Computers & Tech (195k)
French (33.9k)
German (4.9k)
Spanish (174k)
Medicine (125k)
Law (53.4k)
Engineering (74.2k)

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

QAmmunity.org
About Us

Twitter WhatsApp Facebook Reddit LinkedIn Email

Link Copied!

Search Qammunity.org