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Mathematics 8 Online
OpenStudy (mouth4war):

help with trigonometry? how do I do this?

OpenStudy (mouth4war):

OpenStudy (jtug6):

You need to use the trig ratios (sin cos tan) of the angle given to find out the plank and wall

OpenStudy (mouth4war):

but how? i dont understand it

OpenStudy (jtug6):

You have the ground, which is opposite to that angle, right? So maybe use sin of that angle to figure out the plank? Because sin 49 = O/H

OpenStudy (jtug6):

Where O and H is opposite and hypotenuse

OpenStudy (jtug6):

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