A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing
 3 years ago
Use a coterminal angle to find the exact value of the expression. Do not use a calculator.
Seleccione una respuesta.
a.
b.
c.
d.
 3 years ago
Use a coterminal angle to find the exact value of the expression. Do not use a calculator. Seleccione una respuesta. a. b. c. d.

This Question is Closed

saruz
 3 years ago
Best ResponseYou've already chosen the best response.0are you spanish? and where is the question and options

saruz
 3 years ago
Best ResponseYou've already chosen the best response.0cos405=cos(360+45)=cos45=1/root(2)

saruz
 3 years ago
Best ResponseYou've already chosen the best response.0No tengo idea de ángulo coterminal ....... lo siento

saruz
 3 years ago
Best ResponseYou've already chosen the best response.0but the answer i found is.707

ash2326
 3 years ago
Best ResponseYou've already chosen the best response.0co405=cos(360+45) cos (A+B)=cosAcosBsinAsinB cos(360+45)=cos(360)cos(45)sin(360)sin(45) cos360=1 sin360=0 sin45=cos45=1/sqrt(2) so cos405=1/sqrt(2) or 0.707

ash2326
 3 years ago
Best ResponseYou've already chosen the best response.0\[1/\sqrt(2)\]=1/1.414=0.707

saruz
 3 years ago
Best ResponseYou've already chosen the best response.0but ash2326 , in options there is no .707

ash2326
 3 years ago
Best ResponseYou've already chosen the best response.0you wrote before that answer given is 0.707

Sariah
 3 years ago
Best ResponseYou've already chosen the best response.0Use a coterminal angle to find the exact value of the expression. Do not use a calculator. \[\cos 405\]° Choose the rifht answer: dw:1322555209852:dw

ash2326
 3 years ago
Best ResponseYou've already chosen the best response.0sariah it's 1st option \[1/\sqrt(2) =\sqrt(2)/2\]
Ask your own question
Ask a QuestionFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.