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Do you know what trig function to use given what information you have?
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??
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
*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
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