Mathematics
eviant:

Math help pls

3 months ago
eviant:

3 months ago
eviant:

@jhonyy9

3 months ago
jhonyy9:

hi ! do you know the theorem of sin or cos ?

3 months ago
jhonyy9:

eviant are you here ?

3 months ago
eviant:

no

3 months ago
jhonyy9:

the sin theorem say that sin angle is equal opposite side divide hypothenuse the cos theorem say that cos an angle is equal the adjacent side divide hypotheunuse you dont learned these again ?

3 months ago
jhonyy9:

so this in case of a right triangle

3 months ago
jhonyy9:

like in case of your problem

3 months ago
jhonyy9:

do you know sin 30° = ?

3 months ago
jhonyy9:

or cos 30° = ? or sin 60° = ? or cos 60° = ?

3 months ago
jhonyy9:

what may be your idea to solve this problem ?

3 months ago
eviant:

@jhonyy9 a=3 in. \

3 months ago
jhonyy9:

do you can writing me how ve got this result ?

3 months ago
jhonyy9:

sin30° = a/6 1/2 = a/6 cross multiplie and get 6=2a divide both sides by 2 a=3

3 months ago
dude:

jhonny that is not needed, the much easier way is to follow the 30-60-90 triangle rule

3 months ago