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 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.

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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 \[1/\sqrt(2) =\sqrt(2)/2\]
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