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Do you know what trig function to use given what information you have?
im not sure i know im trying to solve right triangles @larryboxaplenty
Summer, solve for the missing side
Is this geometry or trig class?
if you help me ill help you
i know the answer
I remember learning some trig in geo. You want to use one of the 3 most basic trig functions, don't think about cotan, csc, or sec for now
Summer, I will try to help you if you post it was a question :)
okay i posted a question
You want to use either sine, cosine or tangent, abbrev. sin, cos or tan respectively
i think its cos
There are three sides of a triangle: the hypotenuse, the long leg, and short leg. Yes, it is cosine
Cos(theta), where theta is some angle, is adjacent/hypotenuse
Some say SOH CAH TOA but I remember it as:
Sine (Oscar Has) Cosine (A Hairy) Tan (Old As- ...er...Arm)
isnt it 8.9?
O is the opposite site of the angle, hypotenuse is the longest side, and adjacent is the side next to the angle
i dont know how to figure it out
Can u just give me the answer i got to go to work
You have to use arccosine in order to find the angle
Think of it like this: if cos(x) = (4/7) then arcos(4/7) = x
who are u talkinng to??
ive tried doing that @larryboxaplenty
arccos looks like cos^-1(x), but the -1 is not an exponent, it's a just a symbol. So you don't actually take it to the -1 power
@Summeriscool , Den this whole time
*arcos(4/7) = 55.15 degrees ~55 degress
AND YOU DIDNT WANT TO LISTEN
SAID 55 A MILLION TIMES
shouting the answer won't make the learn anything :P
i needed to LEARN how to figue it out. kk @Summeriscool
Do you know which sides of the triangle are what, even if the angles are at different sides?
sin/cos/tan are all relative to the angle, so adjacent and opposite can get mixed up sometimes :p
Here, sin(C) can get confusing :P
Unless you know the sin(90 degrees) :P
Do you need anything else?
Sorry, I haven't took calc in a while, I can't hep you there
NOW YOU SAY THAT