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Geometry 9 Online
OpenStudy (anonymous):

find the value of x

OpenStudy (anonymous):

hartnn (hartnn):

have you been introduced to trigonometric ratios ?

OpenStudy (anonymous):

Remember your trig ratios?

OpenStudy (anonymous):

I always get confused on which one to use and end up with the wrong answer

OpenStudy (campbell_st):

there is no measurement on the hypotenuse... and you don't need to find the length of the hypotenuse... so that eliminates 2 ratios.... which ratio doesn't use the hypotenuse...?

OpenStudy (anonymous):

would I use the ASA one?

OpenStudy (campbell_st):

no... it requires trigonometry

OpenStudy (anonymous):

No worries |dw:1400565549638:dw| Adjacent is adjacent to the angle theta Opposite is opposite to the angle And the longest side is the hypotenuse \[\large \sin \theta = \frac{ opp }{ hyp } \] \[\large \cos \theta = \frac{ adj }{ hyp }\] \[\large \tan \theta = \frac{ opp }{ adj }\]

OpenStudy (anonymous):

so it would be tan

OpenStudy (campbell_st):

a good way to remember the adjacent side is that it runs from the angle to the right angle..

OpenStudy (anonymous):

x = 90 percent

OpenStudy (campbell_st):

thats it

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