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Mathematics 19 Online
OpenStudy (anonymous):

Find the exact value of x. Use the triangle below to answer this question.

OpenStudy (anonymous):

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zepdrix (zepdrix):

Hmm, Cynthia. Can you think of a trig function that involves the ADJACENT SIDE and HYPOTENUSE? :D

OpenStudy (anonymous):

What is cos(theta) here?

OpenStudy (anonymous):

.707=5x .707x=5 x=7.0721 is this right?

OpenStudy (anonymous):

@petewe where are you?

OpenStudy (anonymous):

use cosine of the angle given. we know cos 45. solve it....simple

OpenStudy (anonymous):

Asolutely :D

OpenStudy (anonymous):

Omg!!! Really i got it right?!!!!

OpenStudy (anonymous):

Just one thing : 0.707 =5/x not 5x .. Though you got it right in the second step! :P

OpenStudy (anonymous):

OMG!!!!! thanks @petewe you are the best!!!! I got it now!

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