Ask your own question, for FREE!
Mathematics 7 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):

|dw:1461872674038:dw|

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arriyanalol: i need help
2 days ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
2 days ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!